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690065256275 = 5253520803967
BaseRepresentation
bin10100000101010110001…
…10000010111101010011
32102222011211112010101122
422002223012002331103
542301223201200100
61245002301152455
7100566313620053
oct12025306027523
92388154463348
10690065256275
1124672293569a
12b18a555b72b
13500c414a065
1425583acb563
1512e3bcd9985
hexa0ab182f53

690065256275 has 12 divisors (see below), whose sum is σ = 871825842432. Its totient is φ = 541636124640.

The previous prime is 690065256263. The next prime is 690065256277. The reversal of 690065256275 is 572652560096.

It is not a de Polignac number, because 690065256275 - 24 = 690065256259 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (690065256277) 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, 260400659 + ... + 260403308.

It is an arithmetic number, because the mean of its divisors is an integer number (72652153536).

Almost surely, 2690065256275 is an apocalyptic number.

690065256275 is a deficient number, since it is larger than the sum of its proper divisors (181760586157).

690065256275 is a wasteful number, since it uses less digits than its factorization.

690065256275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520804030 (or 520804025 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 53.

The spelling of 690065256275 in words is "six hundred ninety billion, sixty-five million, two hundred fifty-six thousand, two hundred seventy-five".

Divisors: 1 5 25 53 265 1325 520803967 2604019835 13020099175 27602610251 138013051255 690065256275