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13201298880 = 2635711271659
BaseRepresentation
bin11000100101101101…
…11101010111000000
31021002000120110121120
430102312331113000
5204014013031010
610021541352240
7645066121560
oct142266752700
937060513546
1013201298880
115664875270
122685108680
131324cc2273
148d33a8da0
15523e65e70
hex312dbd5c0

13201298880 has 448 divisors, whose sum is σ = 52528988160. Its totient is φ = 2728857600.

The previous prime is 13201298863. The next prime is 13201298897. The reversal of 13201298880 is 8889210231.

13201298880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13201298863) and next prime (13201298897).

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20031991 + ... + 20032649.

Almost surely, 213201298880 is an apocalyptic number.

13201298880 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 13201298880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26264494080).

13201298880 is an abundant number, since it is smaller than the sum of its proper divisors (39327689280).

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

13201298880 is a wasteful number, since it uses less digits than its factorization.

13201298880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The spelling of 13201298880 in words is "thirteen billion, two hundred one million, two hundred ninety-eight thousand, eight hundred eighty".