Base | Representation |
---|---|
bin | 100111110110010101… |
… | …100000011100010000 |
3 | 11002102221022011201201 |
4 | 213312111200130100 |
5 | 1200112102214304 |
6 | 31353433240544 |
7 | 3043213035541 |
oct | 476625403420 |
9 | 132387264651 |
10 | 42787538704 |
11 | 171674a5139 |
12 | 8361563154 |
13 | 405b738851 |
14 | 20dc8aa4c8 |
15 | 11a65ae3a4 |
hex | 9f6560710 |
42787538704 has 20 divisors (see below), whose sum is σ = 85575078400. Its totient is φ = 20703647520.
The previous prime is 42787538693. The next prime is 42787538711. The reversal of 42787538704 is 40783578724.
42787538704 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43132104 + ... + 43133095.
It is an arithmetic number, because the mean of its divisors is an integer number (4278753920).
Almost surely, 242787538704 is an apocalyptic number.
It is an amenable number.
42787538704 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42787538704 is a wasteful number, since it uses less digits than its factorization.
42787538704 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86265238 (or 86265232 counting only the distinct ones).
The product of its (nonzero) digits is 10536960, while the sum is 55.
The spelling of 42787538704 in words is "forty-two billion, seven hundred eighty-seven million, five hundred thirty-eight thousand, seven hundred four".
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