Base | Representation |
---|---|
bin | 11110001111111110… |
… | …10111011010101000 |
3 | 1112220210202120020210 |
4 | 33013333113122220 |
5 | 231224441210411 |
6 | 11243255221120 |
7 | 1113306146136 |
oct | 170777273250 |
9 | 45823676223 |
10 | 16240178856 |
11 | 6984180820 |
12 | 31929777a0 |
13 | 16ba76a5b5 |
14 | b00c12756 |
15 | 650b39ca6 |
hex | 3c7fd76a8 |
16240178856 has 32 divisors (see below), whose sum is σ = 44291397600. Its totient is φ = 4921266240.
The previous prime is 16240178839. The next prime is 16240178869. The reversal of 16240178856 is 65887104261.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
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, 30757651 + ... + 30758178.
It is an arithmetic number, because the mean of its divisors is an integer number (1384106175).
Almost surely, 216240178856 is an apocalyptic number.
It is an amenable number.
16240178856 is an abundant number, since it is smaller than the sum of its proper divisors (28051218744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16240178856 is a wasteful number, since it uses less digits than its factorization.
16240178856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61515849 (or 61515845 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 48.
The spelling of 16240178856 in words is "sixteen billion, two hundred forty million, one hundred seventy-eight thousand, eight hundred fifty-six".
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