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620690716942 = 2647834790537
BaseRepresentation
bin10010000100001000000…
…11001011100100001110
32012100010000002101020221
421002010003023210032
540132133310420232
61153050312101554
762562203020642
oct11020403134416
92170100071227
10620690716942
1121a26280146a
12a03640948ba
13466b947409a
14220821a8c22
151122b575897
hex90840cb90e

620690716942 has 8 divisors (see below), whose sum is σ = 931050641376. Its totient is φ = 310340503152.

The previous prime is 620690716913. The next prime is 620690716951. The reversal of 620690716942 is 249617096026.

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

It is a self number, because there is not a number n which added to its sum of digits gives 620690716942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2265703 + ... + 2524834.

It is an arithmetic number, because the mean of its divisors is an integer number (116381330172).

Almost surely, 2620690716942 is an apocalyptic number.

620690716942 is a deficient number, since it is larger than the sum of its proper divisors (310359924434).

620690716942 is a wasteful number, since it uses less digits than its factorization.

620690716942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4855322.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 620690716942 in words is "six hundred twenty billion, six hundred ninety million, seven hundred sixteen thousand, nine hundred forty-two".

Divisors: 1 2 64783 129566 4790537 9581074 310345358471 620690716942