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285250572008 = 2367532183903
BaseRepresentation
bin1000010011010100100…
…00100100111011101000
31000021021121021110020022
410021222100210323220
514133143121301013
6335013045420012
726415526566503
oct4115220447350
91007247243208
10285250572008
11aaa79569796
1247349a0a608
1320b8c19571c
14db4030613a
157647893008
hex426a424ee8

285250572008 has 16 divisors (see below), whose sum is σ = 542827582080. Its totient is φ = 140496550128.

The previous prime is 285250572007. The next prime is 285250572041. The reversal of 285250572008 is 800275052582.

It is a self number, because there is not a number n which added to its sum of digits gives 285250572008.

It is not an unprimeable number, because it can be changed into a prime (285250572007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266091416 + ... + 266092487.

It is an arithmetic number, because the mean of its divisors is an integer number (33926723880).

Almost surely, 2285250572008 is an apocalyptic number.

It is an amenable number.

285250572008 is a deficient number, since it is larger than the sum of its proper divisors (257577010072).

285250572008 is a wasteful number, since it uses less digits than its factorization.

285250572008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532183976 (or 532183972 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 44.

The spelling of 285250572008 in words is "two hundred eighty-five billion, two hundred fifty million, five hundred seventy-two thousand, eight".

Divisors: 1 2 4 8 67 134 268 536 532183903 1064367806 2128735612 4257471224 35656321501 71312643002 142625286004 285250572008