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23120402132 = 2244382915739
BaseRepresentation
bin10101100010000101…
…010101011011010100
32012200022010010021002
4111202011111123110
5334322310332012
614342114242432
71445642114132
oct254205253324
965608103232
1023120402132
119894956363
124592b86418
132245cc7129
1411948b0752
15904b947c2
hex5621556d4

23120402132 has 24 divisors (see below), whose sum is σ = 40603533600. Its totient is φ = 11519460576.

The previous prime is 23120402131. The next prime is 23120402141.

23120402132 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120402131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1461119 + ... + 1476857.

It is an arithmetic number, because the mean of its divisors is an integer number (1691813900).

Almost surely, 223120402132 is an apocalyptic number.

It is an amenable number.

23120402132 is a deficient number, since it is larger than the sum of its proper divisors (17483131468).

23120402132 is a wasteful number, since it uses less digits than its factorization.

23120402132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17015 (or 17013 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The spelling of 23120402132 in words is "twenty-three billion, one hundred twenty million, four hundred two thousand, one hundred thirty-two".

Divisors: 1 2 4 443 829 886 1658 1772 3316 15739 31478 62956 367247 734494 1468988 6972377 13047631 13944754 26095262 27889508 52190524 5780100533 11560201066 23120402132