Base | Representation |
---|---|
bin | 101111111011110001… |
… | …000101110101001111 |
3 | 11220211221020021221110 |
4 | 233323301011311033 |
5 | 1320401424343130 |
6 | 35351102303103 |
7 | 3501303541314 |
oct | 577361056517 |
9 | 156757207843 |
10 | 51468590415 |
11 | 1a91174a840 |
12 | 9b84887a93 |
13 | 4b130b5538 |
14 | 26c37b8d0b |
15 | 1513787ab0 |
hex | bfbc45d4f |
51468590415 has 16 divisors (see below), whose sum is σ = 89836085376. Its totient is φ = 24954468000.
The previous prime is 51468590353. The next prime is 51468590483. The reversal of 51468590415 is 51409586415.
It is not a de Polignac number, because 51468590415 - 219 = 51468066127 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155965261 + ... + 155965590.
It is an arithmetic number, because the mean of its divisors is an integer number (5614755336).
Almost surely, 251468590415 is an apocalyptic number.
51468590415 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
51468590415 is a deficient number, since it is larger than the sum of its proper divisors (38367494961).
51468590415 is a wasteful number, since it uses less digits than its factorization.
51468590415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 311930870.
The product of its (nonzero) digits is 864000, while the sum is 48.
The spelling of 51468590415 in words is "fifty-one billion, four hundred sixty-eight million, five hundred ninety thousand, four hundred fifteen".
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