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52645500481 = 723134657999
BaseRepresentation
bin110001000001111010…
…101001011001000001
312000212221210112001011
4301001322221121001
51330304222003411
640103543440521
73542414241100
oct610172513101
9160787715034
1052645500481
1120366015792
12a252a56141
134c6cb84022
142795c18037
151581c61c21
hexc41ea9641

52645500481 has 12 divisors (see below), whose sum is σ = 63216192000. Its totient is φ = 43669077480.

The previous prime is 52645500443. The next prime is 52645500497. The reversal of 52645500481 is 18400554625.

It is not a de Polignac number, because 52645500481 - 217 = 52645369409 is a prime.

It is a super-2 number, since 2×526455004812 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52645504481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17327481 + ... + 17330518.

It is an arithmetic number, because the mean of its divisors is an integer number (5268016000).

Almost surely, 252645500481 is an apocalyptic number.

It is an amenable number.

52645500481 is a deficient number, since it is larger than the sum of its proper divisors (10570691519).

52645500481 is a wasteful number, since it uses less digits than its factorization.

52645500481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34658044 (or 34658037 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 52645500481 in words is "fifty-two billion, six hundred forty-five million, five hundred thousand, four hundred eighty-one".

Divisors: 1 7 31 49 217 1519 34657999 242605993 1074397969 1698241951 7520785783 52645500481