Search a number
-
+
1020222232032 = 253139197388099
BaseRepresentation
bin11101101100010011111…
…10111101010111100000
310121112101001010020202210
432312021332331113200
5113203403342411112
62100403355042120
7133465025613513
oct16661176752740
93545331106683
101020222232032
11363745942153
12145886440340
137528ba12b03
143754405ad7a
151b811c7db3c
hexed89fbd5e0

1020222232032 has 96 divisors (see below), whose sum is σ = 2711049264000. Its totient is φ = 335912790528.

The previous prime is 1020222232013. The next prime is 1020222232049. The reversal of 1020222232032 is 2302322220201.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2434719 + ... + 2822817.

It is an arithmetic number, because the mean of its divisors is an integer number (28240096500).

Almost surely, 21020222232032 is an apocalyptic number.

1020222232032 is a gapful number since it is divisible by the number (12) 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 1020222232032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1355524632000).

1020222232032 is an abundant number, since it is smaller than the sum of its proper divisors (1690827031968).

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

1020222232032 is a wasteful number, since it uses less digits than its factorization.

1020222232032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388448 (or 388440 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 1020222232032 its reverse (2302322220201), we get a palindrome (3322544452233).

The spelling of 1020222232032 in words is "one trillion, twenty billion, two hundred twenty-two million, two hundred thirty-two thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 139 197 278 394 417 556 591 788 834 1112 1182 1576 1668 2224 2364 3152 3336 4448 4728 6304 6672 9456 13344 18912 27383 54766 82149 109532 164298 219064 328596 388099 438128 657192 776198 876256 1164297 1314384 1552396 2328594 2628768 3104792 4657188 6209584 9314376 12419168 18628752 37257504 53945761 76455503 107891522 152911006 161837283 215783044 229366509 305822012 323674566 431566088 458733018 611644024 647349132 863132176 917466036 1223288048 1294698264 1726264352 1834932072 2446576096 2589396528 3669864144 5178793056 7339728288 10627314917 21254629834 31881944751 42509259668 63763889502 85018519336 127527779004 170037038672 255055558008 340074077344 510111116016 1020222232032