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13381748618 = 27955839187
BaseRepresentation
bin11000111011001110…
…10100011110001010
31021112121010021010012
430131213110132022
5204401211423433
610051505151522
7652416662240
oct143547243612
937477107105
1013381748618
115747714887
12271562b5a2
1313534c2a64
1490d33c790
15534c0c848
hex31d9d478a

13381748618 has 8 divisors (see below), whose sum is σ = 22940140512. Its totient is φ = 5735035116.

The previous prime is 13381748593. The next prime is 13381748629. The reversal of 13381748618 is 81684718331.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477919580 + ... + 477919607.

It is an arithmetic number, because the mean of its divisors is an integer number (2867517564).

Almost surely, 213381748618 is an apocalyptic number.

13381748618 is a deficient number, since it is larger than the sum of its proper divisors (9558391894).

13381748618 is an equidigital number, since it uses as much as digits as its factorization.

13381748618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955839196.

The product of its digits is 774144, while the sum is 50.

The spelling of 13381748618 in words is "thirteen billion, three hundred eighty-one million, seven hundred forty-eight thousand, six hundred eighteen".

Divisors: 1 2 7 14 955839187 1911678374 6690874309 13381748618