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52660550529 = 325322083009
BaseRepresentation
bin110001000010110100…
…000011101110000001
312000221000010010211100
4301002310003232001
51330322100104104
640105242205013
73542656202556
oct610264035601
9160830103740
1052660550529
1120373565044
12a257ab3769
134c73023392
142797c14a2d
151583236139
hexc42d03b81

52660550529 has 18 divisors (see below), whose sum is σ = 77527549190. Its totient is φ = 34444620288.

The previous prime is 52660550507. The next prime is 52660550533. The reversal of 52660550529 is 92505506625.

It can be written as a sum of positive squares in 3 ways, for example, as 34689807504 + 17970743025 = 186252^2 + 134055^2 .

It is not a de Polignac number, because 52660550529 - 228 = 52392115073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52660550549) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1016224 + ... + 1066785.

Almost surely, 252660550529 is an apocalyptic number.

It is an amenable number.

52660550529 is a deficient number, since it is larger than the sum of its proper divisors (24866998661).

52660550529 is a wasteful number, since it uses less digits than its factorization.

52660550529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083121 (or 2083065 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 52660550529 in words is "fifty-two billion, six hundred sixty million, five hundred fifty thousand, five hundred twenty-nine".

Divisors: 1 3 9 53 159 477 2809 8427 25281 2083009 6249027 18747081 110399477 331198431 993595293 5851172281 17553516843 52660550529