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8061109056 = 26327112133141
BaseRepresentation
bin1111000000111101…
…01100001101000000
3202210210101202202200
413200132230031000
5113002120442211
63411521313200
7403522203450
oct74036541500
922723352680
108061109056
113467316600
12168b795800
139b60bab20
14566853d60
15322a6bb56
hex1e07ac340

8061109056 has 1008 divisors, whose sum is σ = 33053389824. Its totient is φ = 1824768000.

The previous prime is 8061109039. The next prime is 8061109093. The reversal of 8061109056 is 6509011608.

It is a tau number, because it is divible by the number of its divisors (1008).

It is a super-2 number, since 2×80611090562 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 8061109056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 196612396 + ... + 196612436.

Almost surely, 28061109056 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 8061109056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16526694912).

8061109056 is an abundant number, since it is smaller than the sum of its proper divisors (24992280768).

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

8061109056 is a wasteful number, since it uses less digits than its factorization.

8061109056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 8061109056 is about 89783.6792295794. The cubic root of 8061109056 is about 2005.0795097024.

The spelling of 8061109056 in words is "eight billion, sixty-one million, one hundred nine thousand, fifty-six".