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45172840888 = 2372153175269
BaseRepresentation
bin101010000100100000…
…101101100110111000
311022121011200002012001
4222010200231212320
51220003221402023
632430242430344
73156265545400
oct520440554670
9138534602161
1045172840888
1118180988a5a
1289083623b4
13434b979566
1422875c1800
151295bd06ad
hexa8482d9b8

45172840888 has 48 divisors (see below), whose sum is σ = 98593162200. Its totient is φ = 19346886720.

The previous prime is 45172840877. The next prime is 45172840891. The reversal of 45172840888 is 88804827154.

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 11 ways as a sum of consecutive naturals, for example, 562518 + ... + 637786.

Almost surely, 245172840888 is an apocalyptic number.

It is an amenable number.

45172840888 is an abundant number, since it is smaller than the sum of its proper divisors (53420321312).

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

45172840888 is a wasteful number, since it uses less digits than its factorization.

45172840888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76820 (or 76809 counting only the distinct ones).

The product of its (nonzero) digits is 4587520, while the sum is 55.

The spelling of 45172840888 in words is "forty-five billion, one hundred seventy-two million, eight hundred forty thousand, eight hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 1531 3062 6124 10717 12248 21434 42868 75019 75269 85736 150038 150538 300076 301076 526883 600152 602152 1053766 2107532 3688181 4215064 7376362 14752724 29505448 115236839 230473678 460947356 806657873 921894712 1613315746 3226631492 5646605111 6453262984 11293210222 22586420444 45172840888