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23110870992 = 2431143770589
BaseRepresentation
bin10101100001100000…
…111110011111010000
32012122122011212222220
4111201200332133100
5334312340332432
614341134101040
71445465106426
oct254140763720
965578155886
1023110870992
11988a536490
12458b94a780
13224403aac1
14119350d116
15903e1072c
hex56183e7d0

23110870992 has 40 divisors (see below), whose sum is σ = 65130637920. Its totient is φ = 7003294080.

The previous prime is 23110870891. The next prime is 23110870999. The reversal of 23110870992 is 29907801132.

It is a super-2 number, since 2×231108709922 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23110870999) by changing a digit.

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, 21884767 + ... + 21885822.

It is an arithmetic number, because the mean of its divisors is an integer number (1628265948).

Almost surely, 223110870992 is an apocalyptic number.

23110870992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23110870992 is an abundant number, since it is smaller than the sum of its proper divisors (42019766928).

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

23110870992 is a wasteful number, since it uses less digits than its factorization.

23110870992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43770611 (or 43770605 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 23110870992 in words is "twenty-three billion, one hundred ten million, eight hundred seventy thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 43770589 87541178 131311767 175082356 262623534 350164712 481476479 525247068 700329424 962952958 1050494136 1444429437 1925905916 2100988272 2888858874 3851811832 5777717748 7703623664 11555435496 23110870992