Base | Representation |
---|---|
bin | 100111110011011000… |
… | …100100010110001000 |
3 | 11002022111002211102000 |
4 | 213303120210112020 |
5 | 1200011412300410 |
6 | 31344503511000 |
7 | 3042042041505 |
oct | 476330442610 |
9 | 132274084360 |
10 | 42738009480 |
11 | 171415460a1 |
12 | 8348a58460 |
13 | 40513b680a |
14 | 20d60964ac |
15 | 11a2078dc0 |
hex | 9f3624588 |
42738009480 has 128 divisors (see below), whose sum is σ = 149958000000. Its totient is φ = 10796965632.
The previous prime is 42738009473. The next prime is 42738009481. The reversal of 42738009480 is 8490083724.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (42738009481) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1020855 + ... + 1061894.
It is an arithmetic number, because the mean of its divisors is an integer number (1171546875).
Almost surely, 242738009480 is an apocalyptic number.
42738009480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
42738009480 is an abundant number, since it is smaller than the sum of its proper divisors (107219990520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42738009480 is a wasteful number, since it uses less digits than its factorization.
42738009480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2082788 (or 2082778 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 45.
The spelling of 42738009480 in words is "forty-two billion, seven hundred thirty-eight million, nine thousand, four hundred eighty".
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