Search a number
-
+
55717169930 = 256139089261
BaseRepresentation
bin110011111001000000…
…001000101100001010
312022211000200111101022
4303321000020230022
51403102043414210
641332432152442
74011503062442
oct637100105412
9168730614338
1055717169930
11216a1987484
12a96b698722
13533c36cc06
1429a7b59122
1516b1761155
hexcf9008b0a

55717169930 has 16 divisors (see below), whose sum is σ = 100454523624. Its totient is φ = 22250508480.

The previous prime is 55717169929. The next prime is 55717169939. The reversal of 55717169930 is 3996171755.

It can be written as a sum of positive squares in 4 ways, for example, as 31537852921 + 24179317009 = 177589^2 + 155497^2 .

It is not an unprimeable number, because it can be changed into a prime (55717169939) 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, 4538501 + ... + 4550760.

Almost surely, 255717169930 is an apocalyptic number.

55717169930 is a deficient number, since it is larger than the sum of its proper divisors (44737353694).

55717169930 is a wasteful number, since it uses less digits than its factorization.

55717169930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9089881.

The product of its (nonzero) digits is 1786050, while the sum is 53.

The spelling of 55717169930 in words is "fifty-five billion, seven hundred seventeen million, one hundred sixty-nine thousand, nine hundred thirty".

Divisors: 1 2 5 10 613 1226 3065 6130 9089261 18178522 45446305 90892610 5571716993 11143433986 27858584965 55717169930