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12963089880 = 23335132713407
BaseRepresentation
bin11000001001010100…
…10000110111011000
31020110102100012022000
430010222100313120
5203022022334010
65542152001000
7636144305646
oct140452206730
936412305260
1012963089880
115552365324
122619390160
1312b784a6b0
148ad8bc196
1550d0b07c0
hex304a90dd8

12963089880 has 256 divisors, whose sum is σ = 46719590400. Its totient is φ = 3178206720.

The previous prime is 12963089879. The next prime is 12963089899. The reversal of 12963089880 is 8898036921.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 3803137 + ... + 3806543.

It is an arithmetic number, because the mean of its divisors is an integer number (182498400).

Almost surely, 212963089880 is an apocalyptic number.

12963089880 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 12963089880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23359795200).

12963089880 is an abundant number, since it is smaller than the sum of its proper divisors (33756500520).

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

12963089880 is a wasteful number, since it uses less digits than its factorization.

12963089880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711 (or 3701 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 12963089880 in words is "twelve billion, nine hundred sixty-three million, eighty-nine thousand, eight hundred eighty".