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8061860860 = 225403093043
BaseRepresentation
bin1111000001000011…
…00011101111111100
3202210211210222001021
413200201203233330
5113002314021420
63411545353524
7403531454344
oct74041435774
922724728037
108061860860
11346778a429
12168ba988a4
139b62c2091
145669abd24
15322b697aa
hex1e0863bfc

8061860860 has 12 divisors (see below), whose sum is σ = 16929907848. Its totient is φ = 3224744336.

The previous prime is 8061860843. The next prime is 8061860879. The reversal of 8061860860 is 680681608.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201546502 + ... + 201546541.

It is an arithmetic number, because the mean of its divisors is an integer number (1410825654).

Almost surely, 28061860860 is an apocalyptic number.

It is an amenable number.

8061860860 is an abundant number, since it is smaller than the sum of its proper divisors (8868046988).

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

8061860860 is a wasteful number, since it uses less digits than its factorization.

8061860860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403093052 (or 403093050 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 8061860860 is about 89787.8658839823. The cubic root of 8061860860 is about 2005.1418410733.

The spelling of 8061860860 in words is "eight billion, sixty-one million, eight hundred sixty thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 403093043 806186086 1612372172 2015465215 4030930430 8061860860