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9012180252 = 22323314773307
BaseRepresentation
bin10000110010010101…
…01111010100011100
3212021002000012011210
420121022233110130
5121424104232002
64050134144420
7436221160665
oct103112572434
925232005153
109012180252
113905160459
1218b61b2110
13b0815634a
14616ca636c
1537b2d596c
hex2192af51c

9012180252 has 192 divisors, whose sum is σ = 23525720064. Its totient is φ = 2675566080.

The previous prime is 9012180227. The next prime is 9012180253. The reversal of 9012180252 is 2520812109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9012180253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29355483 + ... + 29355789.

It is an arithmetic number, because the mean of its divisors is an integer number (122529792).

Almost surely, 29012180252 is an apocalyptic number.

9012180252 is a gapful number since it is divisible by the number (92) 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 9012180252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11762860032).

9012180252 is an abundant number, since it is smaller than the sum of its proper divisors (14513539812).

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

9012180252 is a wasteful number, since it uses less digits than its factorization.

9012180252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 9012180252 is about 94932.5036644457. The cubic root of 9012180252 is about 2081.0217683915.

The spelling of 9012180252 in words is "nine billion, twelve million, one hundred eighty thousand, two hundred fifty-two".