Search a number
-
+
2951163664 = 241091692181
BaseRepresentation
bin1010111111100111…
…0010111100010000
321121200010122110221
42233321302330100
522020444214124
61204501402424
7133063322461
oct25771627420
97550118427
102951163664
111284944a39
126a4409414
133805459b7
141ddd32d68
15124148ce4
hexafe72f10

2951163664 has 20 divisors (see below), whose sum is σ = 5770340620. Its totient is φ = 1462043520.

The previous prime is 2951163647. The next prime is 2951163679. The reversal of 2951163664 is 4663611592.

It can be written as a sum of positive squares in 2 ways, for example, as 2021401600 + 929762064 = 44960^2 + 30492^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2951163664.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844347 + ... + 847834.

It is an arithmetic number, because the mean of its divisors is an integer number (288517031).

Almost surely, 22951163664 is an apocalyptic number.

It is an amenable number.

2951163664 is a deficient number, since it is larger than the sum of its proper divisors (2819176956).

2951163664 is a wasteful number, since it uses less digits than its factorization.

2951163664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692298 (or 1692292 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 2951163664 is about 54324.6137952218. The cubic root of 2951163664 is about 1434.3806955054.

The spelling of 2951163664 in words is "two billion, nine hundred fifty-one million, one hundred sixty-three thousand, six hundred sixty-four".

Divisors: 1 2 4 8 16 109 218 436 872 1744 1692181 3384362 6768724 13537448 27074896 184447729 368895458 737790916 1475581832 2951163664