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13139553024 = 28341379617
BaseRepresentation
bin11000011110010110…
…11010101100000000
31020220201101110020000
430033023122230000
5203402211144044
610011454120000
7643416233523
oct141713325400
936821343200
1013139553024
115632a31734
1226684b0000
131315283760
148c90d4bba
1551d81ad69
hex30f2dab00

13139553024 has 360 divisors, whose sum is σ = 42796944960. Its totient is φ = 3985293312.

The previous prime is 13139552963. The next prime is 13139553059. The reversal of 13139553024 is 42035593131.

13139553024 is a `hidden beast` number, since 1 + 3 + 13 + 95 + 530 + 24 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13139553024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21295564 + ... + 21296180.

Almost surely, 213139553024 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 13139553024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21398472480).

13139553024 is an abundant number, since it is smaller than the sum of its proper divisors (29657391936).

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

13139553024 is an equidigital number, since it uses as much as digits as its factorization.

13139553024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The spelling of 13139553024 in words is "thirteen billion, one hundred thirty-nine million, five hundred fifty-three thousand, twenty-four".