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13330290688 = 2111113231979
BaseRepresentation
bin11000110101000110…
…00001100000000000
31021102000021221002221
430122203001200000
5204300023300223
610042430220424
7651223413151
oct143243014000
937360257087
1013330290688
115720668770
122700354714
131345946b90
14906585928
15530445b5d
hex31a8c1800

13330290688 has 192 divisors, whose sum is σ = 32691859200. Its totient is φ = 5347246080.

The previous prime is 13330290679. The next prime is 13330290689. The reversal of 13330290688 is 88609203331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13330290689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6734883 + ... + 6736861.

It is an arithmetic number, because the mean of its divisors is an integer number (170270100).

Almost surely, 213330290688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13330290688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16345929600).

13330290688 is an abundant number, since it is smaller than the sum of its proper divisors (19361568512).

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

13330290688 is a wasteful number, since it uses less digits than its factorization.

13330290688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 13330290688 in words is "thirteen billion, three hundred thirty million, two hundred ninety thousand, six hundred eighty-eight".