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13156641120 = 2535722919289
BaseRepresentation
bin11000100000011001…
…00110100101100000
31020221220112121200110
430100030212211200
5203421100003440
610013304251320
7644014414200
oct142014464540
936856477613
1013156641120
115641643227
122672170b40
13131898765c
148cb4a2400
15520094080
hex310326960

13156641120 has 288 divisors, whose sum is σ = 49874680800. Its totient is φ = 2903384064.

The previous prime is 13156641107. The next prime is 13156641131. The reversal of 13156641120 is 2114665131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 672436 + ... + 691724.

It is an arithmetic number, because the mean of its divisors is an integer number (173175975).

Almost surely, 213156641120 is an apocalyptic number.

13156641120 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 13156641120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24937340400).

13156641120 is an abundant number, since it is smaller than the sum of its proper divisors (36718039680).

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

13156641120 is a wasteful number, since it uses less digits than its factorization.

13156641120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19350 (or 19335 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 13156641120 in words is "thirteen billion, one hundred fifty-six million, six hundred forty-one thousand, one hundred twenty".