Search a number
-
+
28895607696 = 243601991827
BaseRepresentation
bin11010111010010011…
…111111101110010000
32202120210011221221110
4122322103333232100
5433134233421241
621135141053320
72042026420134
oct327223775620
982523157843
1028895607696
11112888a981a
1257250b7240
132956637127
1415818c53c4
15b41bc6816
hex6ba4ffb90

28895607696 has 20 divisors (see below), whose sum is σ = 74646986672. Its totient is φ = 9631869216.

The previous prime is 28895607677. The next prime is 28895607701. The reversal of 28895607696 is 69670659882.

It is a super-2 number, since 2×288956076962 (a number of 22 digits) contains 22 as substring.

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, 300995866 + ... + 300995961.

Almost surely, 228895607696 is an apocalyptic number.

It is an amenable number.

28895607696 is an abundant number, since it is smaller than the sum of its proper divisors (45751378976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28895607696 is a wasteful number, since it uses less digits than its factorization.

28895607696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601991838 (or 601991832 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 66.

The spelling of 28895607696 in words is "twenty-eight billion, eight hundred ninety-five million, six hundred seven thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 601991827 1203983654 1805975481 2407967308 3611950962 4815934616 7223901924 9631869232 14447803848 28895607696