Search a number
-
+
2661972662 = 213118775413
BaseRepresentation
bin1001111010101010…
…0111101010110110
320212111222020000002
42132222213222312
520422431111122
61120051151302
7122652252146
oct23652475266
96774866002
102661972662
111146683508
126235a5532
13335660a6b
141b3774926
15108a72992
hex9eaa7ab6

2661972662 has 16 divisors (see below), whose sum is σ = 4026326832. Its totient is φ = 1319878560.

The previous prime is 2661972629. The next prime is 2661972671. The reversal of 2661972662 is 2662791662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489068 + ... + 494480.

It is an arithmetic number, because the mean of its divisors is an integer number (251645427).

Almost surely, 22661972662 is an apocalyptic number.

2661972662 is a deficient number, since it is larger than the sum of its proper divisors (1364354170).

2661972662 is a wasteful number, since it uses less digits than its factorization.

2661972662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7423.

The product of its digits is 653184, while the sum is 47.

The square root of 2661972662 is about 51594.3084264146. The cubic root of 2661972662 is about 1385.9084105538.

The spelling of 2661972662 in words is "two billion, six hundred sixty-one million, nine hundred seventy-two thousand, six hundred sixty-two".

Divisors: 1 2 131 262 1877 3754 5413 10826 245887 491774 709103 1418206 10160201 20320402 1330986331 2661972662