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13052693808 = 2434711139941
BaseRepresentation
bin11000010100000000…
…00100110100110000
31020200122221112210000
430022000010310300
5203212442200213
65555112310000
7641313031620
oct141200046460
936618845700
1013052693808
1155989a6060
1226433a2300
13130029127b
148bb764880
15515daec73
hex30a004d30

13052693808 has 400 divisors, whose sum is σ = 47489460480. Its totient is φ = 3362342400.

The previous prime is 13052693791. The next prime is 13052693861. The reversal of 13052693808 is 80839625031.

It is a happy number.

13052693808 is a `hidden beast` number, since 1 + 3 + 0 + 5 + 269 + 380 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 13870618 + ... + 13871558.

Almost surely, 213052693808 is an apocalyptic number.

13052693808 is a gapful number since it is divisible by the number (18) 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 13052693808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23744730240).

13052693808 is an abundant number, since it is smaller than the sum of its proper divisors (34436766672).

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

13052693808 is a wasteful number, since it uses less digits than its factorization.

13052693808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 13052693808 in words is "thirteen billion, fifty-two million, six hundred ninety-three thousand, eight hundred eight".