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690888610675 = 52239115629893
BaseRepresentation
bin10100000110111000010…
…10111001001101110011
32110001022012210212022001
422003130022321031303
542304414441020200
61245220112354431
7100625602203154
oct12033412711563
92401265725261
10690888610675
11247005677a7a
12b1a95245a17
13501c58b9103
14256211b592b
1512e8922676a
hexa0dc2b9373

690888610675 has 12 divisors (see below), whose sum is σ = 860286411360. Its totient is φ = 550398285920.

The previous prime is 690888610673. The next prime is 690888610679. The reversal of 690888610675 is 576016888096.

690888610675 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 690888610675 - 21 = 690888610673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (690888610673) 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, 57808972 + ... + 57820921.

It is an arithmetic number, because the mean of its divisors is an integer number (71690534280).

Almost surely, 2690888610675 is an apocalyptic number.

690888610675 is a deficient number, since it is larger than the sum of its proper divisors (169397800685).

690888610675 is a wasteful number, since it uses less digits than its factorization.

690888610675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115630142 (or 115630137 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 64.

The spelling of 690888610675 in words is "six hundred ninety billion, eight hundred eighty-eight million, six hundred ten thousand, six hundred seventy-five".

Divisors: 1 5 25 239 1195 5975 115629893 578149465 2890747325 27635544427 138177722135 690888610675