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13985415360 = 263257299103
BaseRepresentation
bin11010000011001100…
…01000000011000000
31100002200000201012200
431001212020003000
5212120231242420
610231431553200
71003400032500
oct150146100300
940080021180
1013985415360
115a27447614
12286382b800
13141b5a3607
1496959ba00
1556cc01b90
hex3419880c0

13985415360 has 252 divisors, whose sum is σ = 55958280768. Its totient is φ = 3196634112.

The previous prime is 13985415337. The next prime is 13985415371. The reversal of 13985415360 is 6351458931.

13985415360 is a `hidden beast` number, since 1 + 39 + 85 + 4 + 1 + 536 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (252).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 91569 + ... + 190671.

Almost surely, 213985415360 is an apocalyptic number.

13985415360 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 13985415360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27979140384).

13985415360 is an abundant number, since it is smaller than the sum of its proper divisors (41972865408).

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

13985415360 is a wasteful number, since it uses less digits than its factorization.

13985415360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99140 (or 99120 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 13985415360 in words is "thirteen billion, nine hundred eighty-five million, four hundred fifteen thousand, three hundred sixty".