Search a number
-
+
2138907595 = 51164760107
BaseRepresentation
bin111111101111101…
…0010001111001011
312112001201202121211
41333133102033023
513340030020340
6552124113551
7104001262126
oct17737221713
95461652554
102138907595
119a83a2a30
124b83958b7
132811913c6
141640d73bd
15c7ba05ea
hex7f7d23cb

2138907595 has 16 divisors (see below), whose sum is σ = 2804398848. Its totient is φ = 1553139040.

The previous prime is 2138907587. The next prime is 2138907607. The reversal of 2138907595 is 5957098312.

It is not a de Polignac number, because 2138907595 - 23 = 2138907587 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5532 + ... + 65638.

It is an arithmetic number, because the mean of its divisors is an integer number (175274928).

Almost surely, 22138907595 is an apocalyptic number.

2138907595 is a deficient number, since it is larger than the sum of its proper divisors (665491253).

2138907595 is a wasteful number, since it uses less digits than its factorization.

2138907595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60770.

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 2138907595 is about 46248.3253210319. The cubic root of 2138907595 is about 1288.4394315051.

The spelling of 2138907595 in words is "two billion, one hundred thirty-eight million, nine hundred seven thousand, five hundred ninety-five".

Divisors: 1 5 11 55 647 3235 7117 35585 60107 300535 661177 3305885 38889229 194446145 427781519 2138907595