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52115665524 = 223131159728807
BaseRepresentation
bin110000100010010101…
…011111001001110100
311222112000211010010020
4300202111133021310
51323213102244044
635535215325140
73523321563546
oct604225371164
9158460733106
1052115665524
1120113a3095a
12a1255207b0
134bb7184110
1427456d7696
1515504a3a19
hexc2255f274

52115665524 has 48 divisors (see below), whose sum is σ = 130973152128. Its totient is φ = 16033650048.

The previous prime is 52115665501. The next prime is 52115665541. The reversal of 52115665524 is 42556651125.

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 15 ways as a sum of consecutive naturals, for example, 1794729 + ... + 1823535.

It is an arithmetic number, because the mean of its divisors is an integer number (2728607336).

Almost surely, 252115665524 is an apocalyptic number.

It is an amenable number.

52115665524 is an abundant number, since it is smaller than the sum of its proper divisors (78857486604).

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

52115665524 is a wasteful number, since it uses less digits than its factorization.

52115665524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40424 (or 40422 counting only the distinct ones).

The product of its digits is 360000, while the sum is 42.

The spelling of 52115665524 in words is "fifty-two billion, one hundred fifteen million, six hundred sixty-five thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 11597 23194 28807 34791 46388 57614 69582 86421 115228 139164 150761 172842 301522 345684 374491 452283 603044 748982 904566 1123473 1497964 1809132 2246946 4493892 334074779 668149558 1002224337 1336299116 2004448674 4008897348 4342972127 8685944254 13028916381 17371888508 26057832762 52115665524