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13101137280 = 27325711109271
BaseRepresentation
bin11000011001110001…
…10111110110000000
31020211001002201201200
430030320313312000
5203312342343110
610004002501200
7642441554340
oct141470676600
936731081650
1013101137280
115613283390
122657664800
13130a32304a
148c3d74d20
1551a27d6c0
hex30ce37d80

13101137280 has 768 divisors, whose sum is σ = 57130444800. Its totient is φ = 2687385600.

The previous prime is 13101137263. The next prime is 13101137297. The reversal of 13101137280 is 8273110131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13101137263) and next prime (13101137297).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 48343545 + ... + 48343815.

It is an arithmetic number, because the mean of its divisors is an integer number (74388600).

Almost surely, 213101137280 is an apocalyptic number.

13101137280 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 13101137280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28565222400).

13101137280 is an abundant number, since it is smaller than the sum of its proper divisors (44029307520).

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

13101137280 is a wasteful number, since it uses less digits than its factorization.

13101137280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The spelling of 13101137280 in words is "thirteen billion, one hundred one million, one hundred thirty-seven thousand, two hundred eighty".