Base | Representation |
---|---|
bin | 100111111011010101… |
… | …000110011111010000 |
3 | 11002122202221121222101 |
4 | 213323111012133100 |
5 | 1200300024142410 |
6 | 31410025050144 |
7 | 3045251123464 |
oct | 477325063720 |
9 | 132582847871 |
10 | 42871318480 |
11 | 171aa818121 |
12 | 8385626954 |
13 | 4072bc0493 |
14 | 2109a784a4 |
15 | 11adb0cd3a |
hex | 9fb5467d0 |
42871318480 has 40 divisors (see below), whose sum is σ = 99688039200. Its totient is φ = 17146424448.
The previous prime is 42871318459. The next prime is 42871318493. The reversal of 42871318480 is 8481317824.
It is a tau number, because it is divible by the number of its divisors (40).
It is a self number, because there is not a number n which added to its sum of digits gives 42871318480.
It is a congruent number.
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, 735031 + ... + 791209.
It is an arithmetic number, because the mean of its divisors is an integer number (2492200980).
Almost surely, 242871318480 is an apocalyptic number.
42871318480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
42871318480 is an abundant number, since it is smaller than the sum of its proper divisors (56816720720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42871318480 is a wasteful number, since it uses less digits than its factorization.
42871318480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65731 (or 65725 counting only the distinct ones).
The product of its (nonzero) digits is 344064, while the sum is 46.
The spelling of 42871318480 in words is "forty-two billion, eight hundred seventy-one million, three hundred eighteen thousand, four hundred eighty".
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