Search a number
-
+
27949493008 = 2417472186287
BaseRepresentation
bin11010000001111010…
…110110101100010000
32200010211220100120201
4122001322312230100
5424220032234013
620501222344544
72006420525233
oct320172665420
980124810521
1027949493008
111094283a858
12550028b154
132835615958
1414d1da341a
15ad8adb3dd
hex681eb6b10

27949493008 has 40 divisors (see below), whose sum is σ = 58557537792. Its totient is φ = 12872851968.

The previous prime is 27949492913. The next prime is 27949493017. The reversal of 27949493008 is 80039494972.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 27949493008.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080360 + ... + 1105927.

Almost surely, 227949493008 is an apocalyptic number.

It is an amenable number.

27949493008 is an abundant number, since it is smaller than the sum of its proper divisors (30608044784).

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

27949493008 is a wasteful number, since it uses less digits than its factorization.

27949493008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186359 (or 2186353 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 27949493008 in words is "twenty-seven billion, nine hundred forty-nine million, four hundred ninety-three thousand, eight".

Divisors: 1 2 4 8 16 17 34 47 68 94 136 188 272 376 752 799 1598 3196 6392 12784 2186287 4372574 8745148 17490296 34980592 37166879 74333758 102755489 148667516 205510978 297335032 411021956 594670064 822043912 1644087824 1746843313 3493686626 6987373252 13974746504 27949493008