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9013243680 = 2533572312959
BaseRepresentation
bin10000110010011101…
…10010111100100000
3212021011000012221000
420121032302330200
5121424342244210
64050213032000
7436233210240
oct103116627440
925234005830
109013243680
113905817421
1218b6625600
13b084393ac
146170a1b20
1537b445ac0
hex2193b2f20

9013243680 has 384 divisors, whose sum is σ = 37623398400. Its totient is φ = 1970445312.

The previous prime is 9013243669. The next prime is 9013243691. The reversal of 9013243680 is 863423109.

9013243680 is a `hidden beast` number, since 90 + 132 + 436 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (9013243669) and next prime (9013243691).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 689041 + ... + 701999.

It is an arithmetic number, because the mean of its divisors is an integer number (97977600).

Almost surely, 29013243680 is an apocalyptic number.

9013243680 is a gapful number since it is divisible by the number (90) 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 9013243680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18811699200).

9013243680 is an abundant number, since it is smaller than the sum of its proper divisors (28610154720).

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

9013243680 is a wasteful number, since it uses less digits than its factorization.

9013243680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13013 (or 12999 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 9013243680 is about 94938.1044681218. The cubic root of 9013243680 is about 2081.1036179816.

Adding to 9013243680 its reverse (863423109), we get a palindrome (9876666789).

The spelling of 9013243680 in words is "nine billion, thirteen million, two hundred forty-three thousand, six hundred eighty".