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3870189440352 = 2532291282336137
BaseRepresentation
bin111000010100011001010…
…001000100110101100000
3111200222122011020000121200
4320110121101010311200
51001402121444042402
612121535051121200
7546416621313024
oct70243121046540
914628564200550
103870189440352
11126237a052914
1252609a743200
13220c5a2519b1
14d54650a8384
156aa14ab721c
hex38519444d60

3870189440352 has 144 divisors (see below), whose sum is σ = 11386566303840. Its totient is φ = 1245446608896.

The previous prime is 3870189440321. The next prime is 3870189440353. The reversal of 3870189440352 is 2530449810783.

It is a happy number.

3870189440352 is a `hidden beast` number, since 3 + 8 + 7 + 0 + 189 + 4 + 403 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3870189440353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107079628 + ... + 107115764.

It is an arithmetic number, because the mean of its divisors is an integer number (79073377110).

Almost surely, 23870189440352 is an apocalyptic number.

3870189440352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3870189440352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5693283151920).

3870189440352 is an abundant number, since it is smaller than the sum of its proper divisors (7516376863488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3870189440352 is a wasteful number, since it uses less digits than its factorization.

3870189440352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49005 (or 48994 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 3870189440352 in words is "three trillion, eight hundred seventy billion, one hundred eighty-nine million, four hundred forty thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 72 87 96 116 144 174 232 261 288 348 464 522 696 928 1044 1392 2088 2784 4176 8352 12823 25646 36137 38469 51292 72274 76938 102584 108411 115407 144548 153876 205168 216822 230814 289096 307752 325233 371867 410336 433644 461628 578192 615504 650466 743734 867288 923256 1047973 1115601 1156384 1231008 1300932 1487468 1734576 1846512 2095946 2231202 2601864 2974936 3143919 3346803 3469152 3693024 4191892 4462404 5203728 5949872 6287838 6693606 8383784 8924808 9431757 10407456 11899744 12575676 13387212 16767568 17849616 18863514 25151352 26774424 33535136 35699232 37727028 50302704 53548848 75454056 100605408 107097696 150908112 301816224 463384751 926769502 1390154253 1853539004 2780308506 3707078008 4170462759 5560617012 7414156016 8340925518 11121234024 13438157779 14828312032 16681851036 22242468048 26876315558 33363702072 40314473337 44484936096 53752631116 66727404144 80628946674 107505262232 120943420011 133454808288 161257893348 215010524464 241886840022 322515786696 430021048928 483773680044 645031573392 967547360088 1290063146784 1935094720176 3870189440352