Base | Representation |
---|---|
bin | 110000011011000001… |
… | …011011000111111101 |
3 | 11222012110221022111200 |
4 | 300123001123013331 |
5 | 1322440144400004 |
6 | 35515113410113 |
7 | 3520301626113 |
oct | 603301330775 |
9 | 158173838450 |
10 | 51992965629 |
11 | 20060745690 |
12 | a0b0409939 |
13 | 4b97923327 |
14 | 27332b7ab3 |
15 | 1544818239 |
hex | c1b05b1fd |
51992965629 has 24 divisors (see below), whose sum is σ = 85490413632. Its totient is φ = 30140848320.
The previous prime is 51992965627. The next prime is 51992965667. The reversal of 51992965629 is 92656929915.
51992965629 is a `hidden beast` number, since 519 + 9 + 2 + 96 + 5 + 6 + 29 = 666.
It is not a de Polignac number, because 51992965629 - 21 = 51992965627 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51992965621) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11414712 + ... + 11419265.
It is an arithmetic number, because the mean of its divisors is an integer number (3562100568).
Almost surely, 251992965629 is an apocalyptic number.
It is an amenable number.
51992965629 is a deficient number, since it is larger than the sum of its proper divisors (33497448003).
51992965629 is a wasteful number, since it uses less digits than its factorization.
51992965629 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22834017 (or 22834014 counting only the distinct ones).
The product of its digits is 23619600, while the sum is 63.
The spelling of 51992965629 in words is "fifty-one billion, nine hundred ninety-two million, nine hundred sixty-five thousand, six hundred twenty-nine".
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