Base | Representation |
---|---|
bin | 101111100011111111… |
… | …101011111001111101 |
3 | 11212211010202202212000 |
4 | 233203333223321331 |
5 | 1314042324410242 |
6 | 35243334132513 |
7 | 3455361552615 |
oct | 574377537175 |
9 | 155733682760 |
10 | 51069763197 |
11 | 1a727605a72 |
12 | 9a931b1139 |
13 | 4a7b5949bb |
14 | 268683ba45 |
15 | 14dd756a4c |
hex | be3febe7d |
51069763197 has 8 divisors (see below), whose sum is σ = 75658908480. Its totient is φ = 34046508780.
The previous prime is 51069763183. The next prime is 51069763219. The reversal of 51069763197 is 79136796015.
It is a happy number.
51069763197 is a `hidden beast` number, since 510 + 6 + 9 + 7 + 6 + 31 + 97 = 666.
It is not a de Polignac number, because 51069763197 - 214 = 51069746813 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51069763117) 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, 945736329 + ... + 945736382.
It is an arithmetic number, because the mean of its divisors is an integer number (9457363560).
Almost surely, 251069763197 is an apocalyptic number.
It is an amenable number.
51069763197 is a deficient number, since it is larger than the sum of its proper divisors (24589145283).
51069763197 is a wasteful number, since it uses less digits than its factorization.
51069763197 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1891472720 (or 1891472714 counting only the distinct ones).
The product of its (nonzero) digits is 2143260, while the sum is 54.
The spelling of 51069763197 in words is "fifty-one billion, sixty-nine million, seven hundred sixty-three thousand, one hundred ninety-seven".
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