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80102568 = 23371336677
BaseRepresentation
bin1001100011001…
…00010010101000
312120201122001210
410301210102220
5131001240233
611540513120
71661601120
oct461442250
9176648053
1080102568
1141241277
12229ab7a0
1313797c90
14a8d1c80
157074163
hex4c644a8

80102568 has 64 divisors (see below), whose sum is σ = 246476160. Its totient is φ = 21125376.

The previous prime is 80102567. The next prime is 80102573. The reversal of 80102568 is 86520108.

It is not an unprimeable number, because it can be changed into a prime (80102567) 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, 16155 + ... + 20522.

It is an arithmetic number, because the mean of its divisors is an integer number (3851190).

Almost surely, 280102568 is an apocalyptic number.

It is an amenable number.

80102568 is an abundant number, since it is smaller than the sum of its proper divisors (166373592).

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

80102568 is a wasteful number, since it uses less digits than its factorization.

80102568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36706 (or 36702 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 80102568 is about 8950.0037988819. The cubic root of 80102568 is about 431.0710060786.

The spelling of 80102568 in words is "eighty million, one hundred two thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 78 84 91 104 156 168 182 273 312 364 546 728 1092 2184 36677 73354 110031 146708 220062 256739 293416 440124 476801 513478 770217 880248 953602 1026956 1430403 1540434 1907204 2053912 2860806 3080868 3337607 3814408 5721612 6161736 6675214 10012821 11443224 13350428 20025642 26700856 40051284 80102568