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23010111312 = 2431375934841
BaseRepresentation
bin10101011011100000…
…100110111101010000
32012101121120202200220
4111123200212331100
5334111042030222
614323134313040
71443132501426
oct253340467520
965347522626
1023010111312
119838676221
124562058780
1322291bc5a6
141183da1116
158ea15ab5c
hex55b826f50

23010111312 has 40 divisors (see below), whose sum is σ = 59448814080. Its totient is φ = 7669259520.

The previous prime is 23010111259. The next prime is 23010111323. The reversal of 23010111312 is 21311101032.

It is a happy number.

It is a super-2 number, since 2×230101113122 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23010111291 and 23010111300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643012 + ... + 677852.

It is an arithmetic number, because the mean of its divisors is an integer number (1486220352).

Almost surely, 223010111312 is an apocalyptic number.

It is an amenable number.

23010111312 is an abundant number, since it is smaller than the sum of its proper divisors (36438702768).

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

23010111312 is a wasteful number, since it uses less digits than its factorization.

23010111312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48611 (or 48605 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 23010111312 its reverse (21311101032), we get a palindrome (44321212344).

The spelling of 23010111312 in words is "twenty-three billion, ten million, one hundred eleven thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 13759 27518 34841 41277 55036 69682 82554 104523 110072 139364 165108 209046 220144 278728 330216 418092 557456 660432 836184 1672368 479377319 958754638 1438131957 1917509276 2876263914 3835018552 5752527828 7670037104 11505055656 23010111312