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17116999680 = 2123511193143
BaseRepresentation
bin11111111000100000…
…01011000000000000
31122011220122200022010
433330100023000000
5240023422442210
611510300412520
71144114045104
oct177420130000
948156580263
1017116999680
117294111230
123398547140
1317ca3097a1
14b85457904
156a2ad8920
hex3fc40b000

17116999680 has 832 divisors, whose sum is σ = 66429665280. Its totient is φ = 3715891200.

The previous prime is 17116999667. The next prime is 17116999693. The reversal of 17116999680 is 8699961171.

It is an interprime number because it is at equal distance from previous prime (17116999667) and next prime (17116999693).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 17116999680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 398069739 + ... + 398069781.

Almost surely, 217116999680 is an apocalyptic number.

17116999680 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 17116999680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33214832640).

17116999680 is an abundant number, since it is smaller than the sum of its proper divisors (49312665600).

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

17116999680 is a wasteful number, since it uses less digits than its factorization.

17116999680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 57.

The spelling of 17116999680 in words is "seventeen billion, one hundred sixteen million, nine hundred ninety-nine thousand, six hundred eighty".