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13856118760 = 23511431136481
BaseRepresentation
bin11001110011110001…
…11001011111101000
31022202122201202121201
430321320321133220
5211334131300020
610210532413544
71000240031461
oct147170713750
938678652551
1013856118760
115970466120
1228284772b4
1313ca873053
14956341d68
155616b1a0a
hex339e397e8

13856118760 has 128 divisors (see below), whose sum is σ = 35114808960. Its totient is φ = 4877107200.

The previous prime is 13856118743. The next prime is 13856118839. The reversal of 13856118760 is 6781165831.

It is a self number, because there is not a number n which added to its sum of digits gives 13856118760.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2134720 + ... + 2141200.

It is an arithmetic number, because the mean of its divisors is an integer number (274334445).

Almost surely, 213856118760 is an apocalyptic number.

13856118760 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 13856118760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17557404480).

13856118760 is an abundant number, since it is smaller than the sum of its proper divisors (21258690200).

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

13856118760 is a wasteful number, since it uses less digits than its factorization.

13856118760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6659 (or 6655 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 13856118760 in words is "thirteen billion, eight hundred fifty-six million, one hundred eighteen thousand, seven hundred sixty".