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9689698368 = 2632715715307
BaseRepresentation
bin10010000011000110…
…10001000001000000
3221000021212200022100
421001203101001000
5124321030321433
64241255510400
7462056035320
oct110143210100
927007780270
109689698368
114122644889
121a65088400
13bb562373c
1467cc6b280
153baa16b13
hex2418d1040

9689698368 has 168 divisors, whose sum is σ = 31945714112. Its totient is φ = 2750671872.

The previous prime is 9689698367. The next prime is 9689698373. The reversal of 9689698368 is 8638969869.

9689698368 is a `hidden beast` number, since 96 + 8 + 96 + 98 + 368 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 9689698296 and 9689698305.

It is not an unprimeable number, because it can be changed into a prime (9689698367) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 625371 + ... + 640677.

Almost surely, 29689698368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9689698368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15972857056).

9689698368 is an abundant number, since it is smaller than the sum of its proper divisors (22256015744).

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

9689698368 is a wasteful number, since it uses less digits than its factorization.

9689698368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15489 (or 15476 counting only the distinct ones).

The product of its digits is 241864704, while the sum is 72.

The square root of 9689698368 is about 98436.2655122593. The cubic root of 9689698368 is about 2131.9159854581.

The spelling of 9689698368 in words is "nine billion, six hundred eighty-nine million, six hundred ninety-eight thousand, three hundred sixty-eight".