Search a number
-
+
2118392967 = 317311339907
BaseRepresentation
bin111111001000100…
…0001110010000111
312110122010111211210
41332101001302013
513314302033332
6550112302503
7103332020535
oct17621016207
95418114753
102118392967
11997860a99
124b1541a33
13279b5a982
141614b7155
15c5e9becc
hex7e441c87

2118392967 has 16 divisors (see below), whose sum is σ = 3087148032. Its totient is φ = 1286309760.

The previous prime is 2118392959. The next prime is 2118392999. The reversal of 2118392967 is 7692938112.

It is not a de Polignac number, because 2118392967 - 23 = 2118392959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118392917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668373 + ... + 671534.

It is an arithmetic number, because the mean of its divisors is an integer number (192946752).

Almost surely, 22118392967 is an apocalyptic number.

2118392967 is a deficient number, since it is larger than the sum of its proper divisors (968755065).

2118392967 is a wasteful number, since it uses less digits than its factorization.

2118392967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339958.

The product of its digits is 326592, while the sum is 48.

The square root of 2118392967 is about 46026.0031612566. The cubic root of 2118392967 is about 1284.3069773152.

The spelling of 2118392967 in words is "two billion, one hundred eighteen million, three hundred ninety-two thousand, nine hundred sixty-seven".

Divisors: 1 3 17 31 51 93 527 1581 1339907 4019721 22778419 41537117 68335257 124611351 706130989 2118392967