Base | Representation |
---|---|
bin | 100111110001100110… |
… | …011100001111010100 |
3 | 11002020101210212011000 |
4 | 213301212130033110 |
5 | 1144431232414420 |
6 | 31341514343300 |
7 | 3041226535230 |
oct | 476146341724 |
9 | 132211725130 |
10 | 42708091860 |
11 | 17126671595 |
12 | 833aa2ab30 |
13 | 4048140195 |
14 | 20d21095c0 |
15 | 119e619690 |
hex | 9f199c3d4 |
42708091860 has 96 divisors (see below), whose sum is σ = 151851006720. Its totient is φ = 9761848704.
The previous prime is 42708091841. The next prime is 42708091897. The reversal of 42708091860 is 6819080724.
42708091860 is a `hidden beast` number, since 427 + 0 + 80 + 91 + 8 + 60 = 666.
It is a super-2 number, since 2×427080918602 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5645439 + ... + 5652998.
It is an arithmetic number, because the mean of its divisors is an integer number (1581781320).
Almost surely, 242708091860 is an apocalyptic number.
It is an amenable number.
42708091860 is an abundant number, since it is smaller than the sum of its proper divisors (109142914860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42708091860 is a wasteful number, since it uses less digits than its factorization.
42708091860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11298462 (or 11298454 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 45.
The spelling of 42708091860 in words is "forty-two billion, seven hundred eight million, ninety-one thousand, eight hundred sixty".
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