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520968075265 = 51157716416199
BaseRepresentation
bin1111001010011000001…
…11011111100000000001
31211210201011100022002201
413211030013133200001
532013420311402030
61035155053513201
752432034401201
oct7451407374001
91753634308081
10520968075265
11190a39995820
1284b731a2801
133a1862657c1
141b301d06401
15d8418762ca
hex794c1df801

520968075265 has 16 divisors (see below), whose sum is σ = 683176579200. Its totient is φ = 378229201920.

The previous prime is 520968075247. The next prime is 520968075307. The reversal of 520968075265 is 562570869025.

It is not a de Polignac number, because 520968075265 - 25 = 520968075233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8176365 + ... + 8239834.

It is an arithmetic number, because the mean of its divisors is an integer number (42698536200).

Almost surely, 2520968075265 is an apocalyptic number.

520968075265 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

520968075265 is a deficient number, since it is larger than the sum of its proper divisors (162208503935).

520968075265 is a wasteful number, since it uses less digits than its factorization.

520968075265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16416792.

The product of its (nonzero) digits is 9072000, while the sum is 55.

The spelling of 520968075265 in words is "five hundred twenty billion, nine hundred sixty-eight million, seventy-five thousand, two hundred sixty-five".

Divisors: 1 5 11 55 577 2885 6347 31735 16416199 82080995 180578189 902890945 9472146823 47360734115 104193615053 520968075265