Base | Representation |
---|---|
bin | 101111110111010001… |
… | …111001100001100101 |
3 | 11220122200120101022210 |
4 | 233313101321201211 |
5 | 1320223141222202 |
6 | 35335412514033 |
7 | 3466400611341 |
oct | 576721714145 |
9 | 156580511283 |
10 | 51393304677 |
11 | 1a8831a9520 |
12 | 9b6361b919 |
13 | 4b00615b70 |
14 | 26b77bc621 |
15 | 150bd65c6c |
hex | bf7479865 |
51393304677 has 16 divisors (see below), whose sum is σ = 80504198208. Its totient is φ = 28751498880.
The previous prime is 51393304657. The next prime is 51393304723. The reversal of 51393304677 is 77640339315.
It is a de Polignac number, because none of the positive numbers 2k-51393304677 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51393304637) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59898528 + ... + 59899385.
It is an arithmetic number, because the mean of its divisors is an integer number (5031512388).
Almost surely, 251393304677 is an apocalyptic number.
It is an amenable number.
51393304677 is a deficient number, since it is larger than the sum of its proper divisors (29110893531).
51393304677 is a wasteful number, since it uses less digits than its factorization.
51393304677 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119797940.
The product of its (nonzero) digits is 1428840, while the sum is 48.
The spelling of 51393304677 in words is "fifty-one billion, three hundred ninety-three million, three hundred four thousand, six hundred seventy-seven".
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