Base | Representation |
---|---|
bin | 110010111000010101… |
… | …101110010011011011 |
3 | 12020000102022220022010 |
4 | 302320111232103123 |
5 | 1343341332404404 |
6 | 41033040001003 |
7 | 3642560654442 |
oct | 627025562333 |
9 | 166012286263 |
10 | 54632309979 |
11 | 21195573105 |
12 | a708300163 |
13 | 51c8690550 |
14 | 2903a3bd59 |
15 | 164b3bb189 |
hex | cb856e4db |
54632309979 has 32 divisors (see below), whose sum is σ = 80133760000. Its totient is φ = 32902277760.
The previous prime is 54632309959. The next prime is 54632309983. The reversal of 54632309979 is 97990323645.
It is a happy number.
It is not a de Polignac number, because 54632309979 - 29 = 54632309467 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54632309959) 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, 415722 + ... + 531120.
It is an arithmetic number, because the mean of its divisors is an integer number (2504180000).
Almost surely, 254632309979 is an apocalyptic number.
54632309979 is a deficient number, since it is larger than the sum of its proper divisors (25501450021).
54632309979 is a wasteful number, since it uses less digits than its factorization.
54632309979 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115675.
The product of its (nonzero) digits is 11022480, while the sum is 57.
The spelling of 54632309979 in words is "fifty-four billion, six hundred thirty-two million, three hundred nine thousand, nine hundred seventy-nine".
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