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8159056140 = 2235238956921
BaseRepresentation
bin1111001100101000…
…10101000100001100
3210001121200222220110
413212110111010030
5113202204244030
63425340520020
7406121555454
oct74624250414
923047628813
108159056140
113507635704
1216b8550010
13a00493091
1457586cd64
1532b4681b0
hex1e651510c

8159056140 has 48 divisors (see below), whose sum is σ = 22855321440. Its totient is φ = 2174799360.

The previous prime is 8159056079. The next prime is 8159056163. The reversal of 8159056140 is 416509518.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114880 + ... + 171800.

It is an arithmetic number, because the mean of its divisors is an integer number (476152530).

Almost surely, 28159056140 is an apocalyptic number.

It is an amenable number.

8159056140 is an abundant number, since it is smaller than the sum of its proper divisors (14696265300).

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

8159056140 is a wasteful number, since it uses less digits than its factorization.

8159056140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59322 (or 59320 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 8159056140 is about 90327.4938210952. The cubic root of 8159056140 is about 2013.1677926867.

The spelling of 8159056140 in words is "eight billion, one hundred fifty-nine million, fifty-six thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2389 4778 7167 9556 11945 14334 23890 28668 35835 47780 56921 71670 113842 143340 170763 227684 284605 341526 569210 683052 853815 1138420 1707630 3415260 135984269 271968538 407952807 543937076 679921345 815905614 1359842690 1631811228 2039764035 2719685380 4079528070 8159056140