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13030087065600 = 21735211412939
BaseRepresentation
bin1011110110011100110110…
…1101100000000000000000
31201010122221011121211012110
42331213031231200000000
53201441104242044400
643413534522455320
72513251463421663
oct275471555400000
951118834554173
1013030087065600
114174035500470
121565399964540
137369690b5907
14330933c556da
15178e20c5ce50
hexbd9cdb60000

13030087065600 has 864 divisors, whose sum is σ = 48165693448320. Its totient is φ = 3080716288000.

The previous prime is 13030087065599. The next prime is 13030087065607. The reversal of 13030087065600 is 656078003031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13030087065607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4433508931 + ... + 4433511869.

It is an arithmetic number, because the mean of its divisors is an integer number (55747330380).

Almost surely, 213030087065600 is an apocalyptic number.

13030087065600 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 13030087065600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24082846724160).

13030087065600 is an abundant number, since it is smaller than the sum of its proper divisors (35135606382720).

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

13030087065600 is an equidigital number, since it uses as much as digits as its factorization.

13030087065600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038 (or 3001 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 13030087065600 in words is "thirteen trillion, thirty billion, eighty-seven million, sixty-five thousand, six hundred".