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690050500554 = 23115008416759
BaseRepresentation
bin10100000101010100011…
…01110000011111001010
32102222010210202110100110
422002222031300133022
542301210412004204
61245001013015150
7100566044322342
oct12025215603712
92388123673313
10690050500554
11246715577488
12b18a06244b6
13500c108196c
1425581b69d22
1512e3a872889
hexa0aa3707ca

690050500554 has 8 divisors (see below), whose sum is σ = 1380101001120. Its totient is φ = 230016833516.

The previous prime is 690050500553. The next prime is 690050500561. The reversal of 690050500554 is 455005050096.

It is a sphenic number, since it is the product of 3 distinct primes.

690050500554 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (690050500553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57504208374 + ... + 57504208385.

It is an arithmetic number, because the mean of its divisors is an integer number (172512625140).

Almost surely, 2690050500554 is an apocalyptic number.

690050500554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690050500554 is a wasteful number, since it uses less digits than its factorization.

690050500554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115008416764.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 690050500554 in words is "six hundred ninety billion, fifty million, five hundred thousand, five hundred fifty-four".

Divisors: 1 2 3 6 115008416759 230016833518 345025250277 690050500554