Base | Representation |
---|---|
bin | 100111110101111000… |
… | …110001100101101010 |
3 | 11002102102010111211220 |
4 | 213311320301211222 |
5 | 1200103140204022 |
6 | 31353004002510 |
7 | 3043062025533 |
oct | 476570614552 |
9 | 132372114756 |
10 | 42780006762 |
11 | 17163220299 |
12 | 835ab30436 |
13 | 4059ccc48c |
14 | 20db8a968a |
15 | 11a5ac285c |
hex | 9f5e3196a |
42780006762 has 96 divisors (see below), whose sum is σ = 94918158720. Its totient is φ = 12808519680.
The previous prime is 42780006749. The next prime is 42780006781. The reversal of 42780006762 is 26760008724.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41493187 + ... + 41494217.
It is an arithmetic number, because the mean of its divisors is an integer number (988730820).
Almost surely, 242780006762 is an apocalyptic number.
42780006762 is an abundant number, since it is smaller than the sum of its proper divisors (52138151958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42780006762 is a wasteful number, since it uses less digits than its factorization.
42780006762 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1868 (or 1845 counting only the distinct ones).
The product of its (nonzero) digits is 225792, while the sum is 42.
The spelling of 42780006762 in words is "forty-two billion, seven hundred eighty million, six thousand, seven hundred sixty-two".
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