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2137668859 = 17251500977
BaseRepresentation
bin111111101101010…
…0011110011111011
312111222101211101201
41333122203303323
513334220400414
6552041355031
7103654612504
oct17732436373
95458354351
102137668859
119a7727287
124b7a98a77
13280b49621
14163c93bab
15c7a08574
hex7f6a3cfb

2137668859 has 8 divisors (see below), whose sum is σ = 2272436208. Its totient is φ = 2003904000.

The previous prime is 2137668817. The next prime is 2137668877. The reversal of 2137668859 is 9588667312.

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

It is a cyclic number.

It is not a de Polignac number, because 2137668859 - 213 = 2137660667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2137668809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246222 + ... + 254755.

It is an arithmetic number, because the mean of its divisors is an integer number (284054526).

Almost surely, 22137668859 is an apocalyptic number.

2137668859 is a deficient number, since it is larger than the sum of its proper divisors (134767349).

2137668859 is a wasteful number, since it uses less digits than its factorization.

2137668859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501245.

The product of its digits is 4354560, while the sum is 55.

The square root of 2137668859 is about 46234.9311559994. The cubic root of 2137668859 is about 1288.1906527170.

The spelling of 2137668859 in words is "two billion, one hundred thirty-seven million, six hundred sixty-eight thousand, eight hundred fifty-nine".

Divisors: 1 17 251 4267 500977 8516609 125745227 2137668859