Base | Representation |
---|---|
bin | 101111101111110001… |
… | …001111011001000110 |
3 | 11220022220110211111100 |
4 | 233233301033121012 |
5 | 1314443412143412 |
6 | 35315112120530 |
7 | 3463310612430 |
oct | 575761173106 |
9 | 156286424440 |
10 | 51267302982 |
11 | 1a819068595 |
12 | 9b29396146 |
13 | 4ab049a24c |
14 | 26a4b7d650 |
15 | 1500c76edc |
hex | befc4f646 |
51267302982 has 24 divisors (see below), whose sum is σ = 126947607696. Its totient is φ = 14647800816.
The previous prime is 51267302963. The next prime is 51267303047. The reversal of 51267302982 is 28920376215.
51267302982 is a `hidden beast` number, since 5 + 1 + 267 + 302 + 9 + 82 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203441553 + ... + 203441804.
It is an arithmetic number, because the mean of its divisors is an integer number (5289483654).
Almost surely, 251267302982 is an apocalyptic number.
51267302982 is an abundant number, since it is smaller than the sum of its proper divisors (75680304714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51267302982 is a wasteful number, since it uses less digits than its factorization.
51267302982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 406883372 (or 406883369 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The spelling of 51267302982 in words is "fifty-one billion, two hundred sixty-seven million, three hundred two thousand, nine hundred eighty-two".
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