Base | Representation |
---|---|
bin | 101111111100011001… |
… | …000111011010111000 |
3 | 11220212122222100121212 |
4 | 233330121013122320 |
5 | 1320412121121210 |
6 | 35352115222252 |
7 | 3501461661104 |
oct | 577431073270 |
9 | 156778870555 |
10 | 51479082680 |
11 | 1a917666833 |
12 | 9b882a7988 |
13 | 4b1531a18c |
14 | 26c4d4a904 |
15 | 151465b805 |
hex | bfc6476b8 |
51479082680 has 32 divisors (see below), whose sum is σ = 115881729840. Its totient is φ = 20582069760.
The previous prime is 51479082679. The next prime is 51479082689. The reversal of 51479082680 is 8628097415.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51479082689) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211334 + ... + 384213.
Almost surely, 251479082680 is an apocalyptic number.
It is an amenable number.
51479082680 is an abundant number, since it is smaller than the sum of its proper divisors (64402647160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51479082680 is a wasteful number, since it uses less digits than its factorization.
51479082680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 597719 (or 597715 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 50.
The spelling of 51479082680 in words is "fifty-one billion, four hundred seventy-nine million, eighty-two thousand, six hundred eighty".
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