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8075680506 = 233253958901
BaseRepresentation
bin1111000010101100…
…10001101011111010
3202211210211002001000
413201112101223322
5113014333234011
63413201505430
7404060103015
oct74126215372
922753732030
108075680506
113474569323
121694642276
139b912039a
1456876837c
15323e99356
hex1e1591afa

8075680506 has 32 divisors (see below), whose sum is σ = 17953329600. Its totient is φ = 2690787600.

The previous prime is 8075680477. The next prime is 8075680507. The reversal of 8075680506 is 6050865708.

8075680506 is a `hidden beast` number, since 80 + 7 + 5 + 68 + 0 + 506 = 666.

It is not an unprimeable number, because it can be changed into a prime (8075680507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107656 + ... + 166556.

It is an arithmetic number, because the mean of its divisors is an integer number (561041550).

Almost surely, 28075680506 is an apocalyptic number.

8075680506 is an abundant number, since it is smaller than the sum of its proper divisors (9877649094).

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

8075680506 is a wasteful number, since it uses less digits than its factorization.

8075680506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61451 (or 61445 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 8075680506 is about 89864.7901349578. The cubic root of 8075680506 is about 2006.2869254100.

The spelling of 8075680506 in words is "eight billion, seventy-five million, six hundred eighty thousand, five hundred six".

Divisors: 1 2 3 6 9 18 27 54 2539 5078 7617 15234 22851 45702 58901 68553 117802 137106 176703 353406 530109 1060218 1590327 3180654 149549639 299099278 448648917 897297834 1345946751 2691893502 4037840253 8075680506