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23812120852 = 22131721266081
BaseRepresentation
bin10110001011010100…
…000010000100010100
32021110111201001221221
4112023110002010110
5342231400331402
614534504220124
71502041454602
oct261324020424
967414631857
1023812120852
11a10a359923
12474676a644
1323263c7050
14121c6d0872
1594577d337
hex58b502114

23812120852 has 24 divisors (see below), whose sum is σ = 44902933992. Its totient is φ = 10983782400.

The previous prime is 23812120831. The next prime is 23812120877. The reversal of 23812120852 is 25802121832.

It can be written as a sum of positive squares in 4 ways, for example, as 158911236 + 23653209616 = 12606^2 + 153796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43549 + ... + 222532.

It is an arithmetic number, because the mean of its divisors is an integer number (1870955583).

Almost surely, 223812120852 is an apocalyptic number.

It is an amenable number.

23812120852 is a deficient number, since it is larger than the sum of its proper divisors (21090813140).

23812120852 is a wasteful number, since it uses less digits than its factorization.

23812120852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267819 (or 267817 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The spelling of 23812120852 in words is "twenty-three billion, eight hundred twelve million, one hundred twenty thousand, eight hundred fifty-two".

Divisors: 1 2 4 13 26 52 1721 3442 6884 22373 44746 89492 266081 532162 1064324 3459053 6918106 13836212 457925401 915850802 1831701604 5953030213 11906060426 23812120852