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52608961881 = 32719126916253
BaseRepresentation
bin110000111111101111…
…010000110101011001
312000210102001011111200
4300333233100311121
51330220343240011
640100200344413
73541461540420
oct607757206531
9160712034450
1052608961881
11203474297a3
12a242775109
134c6542cb58
1427910262b7
15157d945856
hexc3fbd0d59

52608961881 has 48 divisors (see below), whose sum is σ = 87631165440. Its totient is φ = 29791866240.

The previous prime is 52608961843. The next prime is 52608961907. The reversal of 52608961881 is 18816980625.

It is a happy number.

It is not a de Polignac number, because 52608961881 - 29 = 52608961369 is a prime.

It is a super-2 number, since 2×526089618812 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52608961831) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3228751 + ... + 3245003.

It is an arithmetic number, because the mean of its divisors is an integer number (1825649280).

Almost surely, 252608961881 is an apocalyptic number.

It is an amenable number.

52608961881 is a deficient number, since it is larger than the sum of its proper divisors (35022203559).

52608961881 is a wasteful number, since it uses less digits than its factorization.

52608961881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16726 (or 16723 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 54.

The spelling of 52608961881 in words is "fifty-two billion, six hundred eight million, nine hundred sixty-one thousand, eight hundred eighty-one".

Divisors: 1 3 7 9 21 63 191 269 573 807 1337 1719 1883 2421 4011 5649 12033 16253 16947 48759 51379 113771 146277 154137 341313 359653 462411 1023939 1078959 3104323 3236877 4372057 9312969 13116171 21730261 27938907 30604399 39348513 65190783 91813197 195572349 275439591 835062887 2505188661 5845440209 7515565983 17536320627 52608961881