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8061895494 = 23449764787
BaseRepresentation
bin1111000001000011…
…01100001101000110
3202210211212201120000
413200201230031012
5113002321123434
63411550222130
7403531660332
oct74041541506
922724781500
108061895494
113467803454
12168bab4946
139b6304a83
145669ba7c2
15322b74b99
hex1e086c346

8061895494 has 20 divisors (see below), whose sum is σ = 18064618044. Its totient is φ = 2687298444.

The previous prime is 8061895489. The next prime is 8061895511. The reversal of 8061895494 is 4945981608.

8061895494 is a `hidden beast` number, since 8 + 0 + 61 + 8 + 95 + 494 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8061895494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 24882232 + ... + 24882555.

Almost surely, 28061895494 is an apocalyptic number.

8061895494 is an abundant number, since it is smaller than the sum of its proper divisors (10002722550).

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

8061895494 is a wasteful number, since it uses less digits than its factorization.

8061895494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49764801 (or 49764792 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The square root of 8061895494 is about 89788.0587494796. The cubic root of 8061895494 is about 2005.1447124527.

The spelling of 8061895494 in words is "eight billion, sixty-one million, eight hundred ninety-five thousand, four hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 49764787 99529574 149294361 298588722 447883083 895766166 1343649249 2687298498 4030947747 8061895494