Base | Representation |
---|---|
bin | 101111110100010010… |
… | …000000100010000010 |
3 | 11220112011220201122200 |
4 | 233310102000202002 |
5 | 1320122302023410 |
6 | 35330414414030 |
7 | 3465220212456 |
oct | 576422004202 |
9 | 156464821580 |
10 | 51343001730 |
11 | 1a857871139 |
12 | 9b4a801316 |
13 | 4ac30828c7 |
14 | 26b0c46666 |
15 | 150772b3c0 |
hex | bf4480882 |
51343001730 has 24 divisors (see below), whose sum is σ = 133491804732. Its totient is φ = 13691467104.
The previous prime is 51343001719. The next prime is 51343001767. The reversal of 51343001730 is 3710034315.
It can be written as a sum of positive squares in 2 ways, for example, as 51338949561 + 4052169 = 226581^2 + 2013^2 .
It is a super-2 number, since 2×513430017302 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 51343001694 and 51343001703.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285238809 + ... + 285238988.
Almost surely, 251343001730 is an apocalyptic number.
51343001730 is an abundant number, since it is smaller than the sum of its proper divisors (82148803002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51343001730 is a wasteful number, since it uses less digits than its factorization.
51343001730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 570477810 (or 570477807 counting only the distinct ones).
The product of its (nonzero) digits is 3780, while the sum is 27.
The spelling of 51343001730 in words is "fifty-one billion, three hundred forty-three million, one thousand, seven hundred thirty".
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