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13104887140 = 22529179126227
BaseRepresentation
bin11000011010001110…
…01011010101100100
31020211022011020120101
430031013023111210
5203314322342030
610004215113444
7642515463022
oct141507132544
936738136511
1013104887140
115615404744
122658972884
13130b036ab7
148c466d712
1551a76e7ca
hex30d1cb564

13104887140 has 48 divisors (see below), whose sum is σ = 28628510400. Its totient is φ = 5032883072.

The previous prime is 13104887101. The next prime is 13104887153. The reversal of 13104887140 is 4178840131.

It is a self number, because there is not a number n which added to its sum of digits gives 13104887140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40707 + ... + 166933.

It is an arithmetic number, because the mean of its divisors is an integer number (596427300).

Almost surely, 213104887140 is an apocalyptic number.

13104887140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13104887140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14314255200).

13104887140 is an abundant number, since it is smaller than the sum of its proper divisors (15523623260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13104887140 is a wasteful number, since it uses less digits than its factorization.

13104887140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126444 (or 126442 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 13104887140 in words is "thirteen billion, one hundred four million, eight hundred eighty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 179 290 358 580 716 895 1790 3580 5191 10382 20764 25955 51910 103820 126227 252454 504908 631135 1262270 2524540 3660583 7321166 14642332 18302915 22594633 36605830 45189266 73211660 90378532 112973165 225946330 451892660 655244357 1310488714 2620977428 3276221785 6552443570 13104887140