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1138893051515 = 5398119572137
BaseRepresentation
bin10000100100101011010…
…100001101011001111011
311000212200102012111101012
4100210223110031121323
5122124423110122030
62231111130344135
7145165555132202
oct20445324153173
94025612174335
101138893051515
113aa00248927a
12164884b8b04b
138352171621b
143d1a0a48239
151e95a1cd095
hex1092b50d67b

1138893051515 has 8 divisors (see below), whose sum is σ = 1366677483360. Its totient is φ = 911110560192.

The previous prime is 1138893051511. The next prime is 1138893051529. The reversal of 1138893051515 is 5151503988311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1138893051515 - 22 = 1138893051511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1138893051511) 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, 1704527 + ... + 2276663.

It is an arithmetic number, because the mean of its divisors is an integer number (170834685420).

Almost surely, 21138893051515 is an apocalyptic number.

1138893051515 is a deficient number, since it is larger than the sum of its proper divisors (227784431845).

1138893051515 is an equidigital number, since it uses as much as digits as its factorization.

1138893051515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970261.

The product of its (nonzero) digits is 648000, while the sum is 50.

The spelling of 1138893051515 in words is "one trillion, one hundred thirty-eight billion, eight hundred ninety-three million, fifty-one thousand, five hundred fifteen".

Divisors: 1 5 398119 572137 1990595 2860685 227778610303 1138893051515