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2137408506 = 23339581639
BaseRepresentation
bin111111101100110…
…0100001111111010
312111221220121021000
41333121210033322
513334134033011
6552032025430
7103652446452
oct17731441772
95457817230
102137408506
119a7569712
124b7992276
13280a87c7c
14163c26d62
15c79a6356
hex7f6643fa

2137408506 has 16 divisors (see below), whose sum is σ = 4749796800. Its totient is φ = 712469484.

The previous prime is 2137408459. The next prime is 2137408513. The reversal of 2137408506 is 6058047312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19790766 + ... + 19790873.

It is an arithmetic number, because the mean of its divisors is an integer number (296862300).

Almost surely, 22137408506 is an apocalyptic number.

2137408506 is an abundant number, since it is smaller than the sum of its proper divisors (2612388294).

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

2137408506 is a wasteful number, since it uses less digits than its factorization.

2137408506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39581650 (or 39581644 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2137408506 is about 46232.1155258982. The cubic root of 2137408506 is about 1288.1383530797.

The spelling of 2137408506 in words is "two billion, one hundred thirty-seven million, four hundred eight thousand, five hundred six".

Divisors: 1 2 3 6 9 18 27 54 39581639 79163278 118744917 237489834 356234751 712469502 1068704253 2137408506