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23012111032 = 232876513879
BaseRepresentation
bin10101011011101000…
…001111001010111000
32012101202100100210121
4111123220033022320
5334112100023112
614323245223024
71443155500501
oct253350171270
965352310717
1023012111032
119839811689
124562861a74
13222973c861
141184361ba8
158ea403407
hex55ba0f2b8

23012111032 has 8 divisors (see below), whose sum is σ = 43147708200. Its totient is φ = 11506055512.

The previous prime is 23012111027. The next prime is 23012111033. The reversal of 23012111032 is 23011121032.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×230121110322 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23012110997 and 23012111015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012111033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1438256932 + ... + 1438256947.

It is an arithmetic number, because the mean of its divisors is an integer number (5393463525).

Almost surely, 223012111032 is an apocalyptic number.

It is an amenable number.

23012111032 is a deficient number, since it is larger than the sum of its proper divisors (20135597168).

23012111032 is a wasteful number, since it uses less digits than its factorization.

23012111032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876513885 (or 2876513881 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23012111032 its reverse (23011121032), we get a palindrome (46023232064).

The spelling of 23012111032 in words is "twenty-three billion, twelve million, one hundred eleven thousand, thirty-two".

Divisors: 1 2 4 8 2876513879 5753027758 11506055516 23012111032