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13297065600 = 2735271331491
BaseRepresentation
bin11000110001001000…
…10001111010000000
31021022200202220212010
430120210101322000
5204213022044400
610035242132520
7650341123050
oct143044217200
937280686763
1013297065600
115703935215
1226b11b1140
13133bab2c70
14901db7560
1552c581450
hex318911e80

13297065600 has 768 divisors, whose sum is σ = 55756431360. Its totient is φ = 2709504000.

The previous prime is 13297065581. The next prime is 13297065641. The reversal of 13297065600 is 656079231.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27081355 + ... + 27081845.

It is an arithmetic number, because the mean of its divisors is an integer number (72599520).

Almost surely, 213297065600 is an apocalyptic number.

13297065600 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 13297065600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27878215680).

13297065600 is an abundant number, since it is smaller than the sum of its proper divisors (42459365760).

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

13297065600 is a wasteful number, since it uses less digits than its factorization.

13297065600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 13297065600 in words is "thirteen billion, two hundred ninety-seven million, sixty-five thousand, six hundred".