Base | Representation |
---|---|
bin | 101111100011000101… |
… | …001100110010110111 |
3 | 11212210001220211121020 |
4 | 233203011030302313 |
5 | 1314024413301130 |
6 | 35242025352223 |
7 | 3455114335551 |
oct | 574305146267 |
9 | 155701824536 |
10 | 51054431415 |
11 | 1a719993a79 |
12 | 9a8a038673 |
13 | 4a78357340 |
14 | 26847aa4d1 |
15 | 14dc228e10 |
hex | be314ccb7 |
51054431415 has 96 divisors (see below), whose sum is σ = 91449146880. Its totient is φ = 24177280512.
The previous prime is 51054431387. The next prime is 51054431423. The reversal of 51054431415 is 51413445015.
It is not a de Polignac number, because 51054431415 - 25 = 51054431383 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68713534 + ... + 68714276.
It is an arithmetic number, because the mean of its divisors is an integer number (952595280).
Almost surely, 251054431415 is an apocalyptic number.
51054431415 is a deficient number, since it is larger than the sum of its proper divisors (40394715465).
51054431415 is a wasteful number, since it uses less digits than its factorization.
51054431415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1241 (or 1212 counting only the distinct ones).
The product of its (nonzero) digits is 24000, while the sum is 33.
The spelling of 51054431415 in words is "fifty-one billion, fifty-four million, four hundred thirty-one thousand, four hundred fifteen".
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