Base | Representation |
---|---|
bin | 10111100011100000111010… |
… | …11101110101001111010101 |
3 | 20210101211011201221021101010 |
4 | 23301300131131311033111 |
5 | 23242123343241334034 |
6 | 302055325241322433 |
7 | 13624160525022123 |
oct | 1361603535651725 |
9 | 223354151837333 |
10 | 51797799949269 |
11 | 15560361784030 |
12 | 5986916496419 |
13 | 22b9685c196ca |
14 | cb1053b24913 |
15 | 5ec5a648b3e9 |
hex | 2f1c1d7753d5 |
51797799949269 has 32 divisors (see below), whose sum is σ = 75573227271168. Its totient is φ = 31296375792000.
The previous prime is 51797799949183. The next prime is 51797799949321. The reversal of 51797799949269 is 96294999779715.
It is not a de Polignac number, because 51797799949269 - 232 = 51793504981973 is a prime.
It is a super-2 number, since 2×517977999492692 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51797799949069) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280333824 + ... + 280518534.
It is an arithmetic number, because the mean of its divisors is an integer number (2361663352224).
Almost surely, 251797799949269 is an apocalyptic number.
It is an amenable number.
51797799949269 is a deficient number, since it is larger than the sum of its proper divisors (23775427321899).
51797799949269 is a wasteful number, since it uses less digits than its factorization.
51797799949269 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 210729.
The product of its digits is 43748223120, while the sum is 93.
The spelling of 51797799949269 in words is "fifty-one trillion, seven hundred ninety-seven billion, seven hundred ninety-nine million, nine hundred forty-nine thousand, two hundred sixty-nine".
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