Base | Representation |
---|---|
bin | 11010000001111010… |
… | …110110101100010000 |
3 | 2200010211220100120201 |
4 | 122001322312230100 |
5 | 424220032234013 |
6 | 20501222344544 |
7 | 2006420525233 |
oct | 320172665420 |
9 | 80124810521 |
10 | 27949493008 |
11 | 1094283a858 |
12 | 550028b154 |
13 | 2835615958 |
14 | 14d1da341a |
15 | ad8adb3dd |
hex | 681eb6b10 |
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".
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