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10213113312 = 253315178283
BaseRepresentation
bin10011000001011111…
…11011110111100000
3222100202202220122000
421200233323313200
5131404024111222
64405234244000
7511043013363
oct114057736740
928322686560
1010213113312
114371044216
121b90426600
13c69bb641c
146cc59a0da
153eb9579ac
hex260bfbde0

10213113312 has 96 divisors (see below), whose sum is σ = 29985903360. Its totient is φ = 3381782400.

The previous prime is 10213113271. The next prime is 10213113329. The reversal of 10213113312 is 21331131201.

10213113312 is a `hidden beast` number, since 1 + 0 + 21 + 311 + 331 + 2 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91323 + ... + 169605.

It is an arithmetic number, because the mean of its divisors is an integer number (312353160).

Almost surely, 210213113312 is an apocalyptic number.

10213113312 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 10213113312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14992951680).

10213113312 is an abundant number, since it is smaller than the sum of its proper divisors (19772790048).

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

10213113312 is a wasteful number, since it uses less digits than its factorization.

10213113312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78453 (or 78439 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 10213113312 its reverse (21331131201), we get a palindrome (31544244513).

The spelling of 10213113312 in words is "ten billion, two hundred thirteen million, one hundred thirteen thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 151 216 288 302 432 453 604 864 906 1208 1359 1812 2416 2718 3624 4077 4832 5436 7248 8154 10872 14496 16308 21744 32616 43488 65232 78283 130464 156566 234849 313132 469698 626264 704547 939396 1252528 1409094 1878792 2113641 2505056 2818188 3757584 4227282 5636376 7515168 8454564 11272752 11820733 16909128 22545504 23641466 33818256 35462199 47282932 67636512 70924398 94565864 106386597 141848796 189131728 212773194 283697592 319159791 378263456 425546388 567395184 638319582 851092776 1134790368 1276639164 1702185552 2553278328 3404371104 5106556656 10213113312