Base | Representation |
---|---|
bin | 1101110110100100000001… |
… | …1111101001001001000000 |
3 | 1222221001222002110200210101 |
4 | 3131221000133221021000 |
5 | 3444021130213142131 |
6 | 52221012534212144 |
7 | 3131256162315100 |
oct | 335510037511100 |
9 | 58831862420711 |
10 | 15231036068416 |
11 | 494249a8742a3 |
12 | 185ba631b4054 |
13 | 86638545c07c |
14 | 3a928685b200 |
15 | 1b62da66ac61 |
hex | dda407e9240 |
15231036068416 has 63 divisors (see below), whose sum is σ = 35159136547347. Its totient is φ = 6527493221760.
The previous prime is 15231036068389. The next prime is 15231036068429. The reversal of 15231036068416 is 61486063013251.
The square root of 15231036068416 is 3902696.
It is a perfect power (a square), and thus also a powerful number.
It is a Duffinian number.
It is an unprimeable number.
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 8 ways as a sum of consecutive naturals, for example, 218516131 + ... + 218585821.
Almost surely, 215231036068416 is an apocalyptic number.
15231036068416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
15231036068416 is the 3902696-th square number.
It is an amenable number.
15231036068416 is an abundant number, since it is smaller than the sum of its proper divisors (19928100478931).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15231036068416 is an frugal number, since it uses more digits than its factorization.
15231036068416 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139408 (or 69700 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 46.
The spelling of 15231036068416 in words is "fifteen trillion, two hundred thirty-one billion, thirty-six million, sixty-eight thousand, four hundred sixteen".
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