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15231036068416 = 2672696912
BaseRepresentation
bin1101110110100100000001…
…1111101001001001000000
31222221001222002110200210101
43131221000133221021000
53444021130213142131
652221012534212144
73131256162315100
oct335510037511100
958831862420711
1015231036068416
11494249a8742a3
12185ba631b4054
1386638545c07c
143a928685b200
151b62da66ac61
hexdda407e9240

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".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 196 224 392 448 784 1568 3136 69691 139382 278764 487837 557528 975674 1115056 1951348 2230112 3414859 3902696 4460224 6829718 7805392 13659436 15610784 27318872 31221568 54637744 109275488 218550976 4856835481 9713670962 19427341924 33997848367 38854683848 67995696734 77709367696 135991393468 155418735392 237984938569 271982786936 310837470784 475969877138 543965573872 951939754276 1087931147744 1903879508552 2175862295488 3807759017104 7615518034208 15231036068416