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13231210080 = 25351143101577
BaseRepresentation
bin11000101001010010…
…00011111001100000
31021011002212010001210
430110221003321200
5204044142210310
610024530430120
7645611300334
oct142451037140
937132763053
1013231210080
11567a744a70
122693132340
13132b2659ba
148d73537c4
155268c3820
hex314a43e60

13231210080 has 384 divisors, whose sum is σ = 47066697216. Its totient is φ = 3096576000.

The previous prime is 13231210051. The next prime is 13231210121. The reversal of 13231210080 is 8001213231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22930752 + ... + 22931328.

It is an arithmetic number, because the mean of its divisors is an integer number (122569524).

Almost surely, 213231210080 is an apocalyptic number.

13231210080 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 13231210080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23533348608).

13231210080 is an abundant number, since it is smaller than the sum of its proper divisors (33835487136).

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

13231210080 is a wasteful number, since it uses less digits than its factorization.

13231210080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 13231210080 in words is "thirteen billion, two hundred thirty-one million, two hundred ten thousand, eighty".