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36331975680 = 210357111317139
BaseRepresentation
bin100001110101100011…
…011111010000000000
310110210001000121001220
4201311203133100000
51043401441210210
624405104155040
72424224461230
oct416543372000
9113701017056
1036331975680
11144544a9090
12705b608a80
133570175c80
141a89391cc0
15e29989c70
hex8758df400

36331975680 has 1408 divisors, whose sum is σ = 166390640640. Its totient is φ = 6511656960.

The previous prime is 36331975661. The next prime is 36331975739. The reversal of 36331975680 is 8657913363.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1408).

It is a super-2 number, since 2×363319756802 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 261381051 + ... + 261381189.

Almost surely, 236331975680 is an apocalyptic number.

36331975680 is a gapful number since it is divisible by the number (30) 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 36331975680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83195320320).

36331975680 is an abundant number, since it is smaller than the sum of its proper divisors (130058664960).

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

36331975680 is a wasteful number, since it uses less digits than its factorization.

36331975680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 36331975680 in words is "thirty-six billion, three hundred thirty-one million, nine hundred seventy-five thousand, six hundred eighty".