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45579942880 = 255284874643
BaseRepresentation
bin101010011100110001…
…101011101111100000
311100122112201000010121
4222130301223233200
51221321431133010
632534504210024
73202341056563
oct523461535740
9140575630117
1045579942880
111836a76478a
128a00769914
1343b5106604
1422c56b44da
1512bb7e83da
hexa9cc6bbe0

45579942880 has 24 divisors (see below), whose sum is σ = 107682615432. Its totient is φ = 18231977088.

The previous prime is 45579942823. The next prime is 45579942883. The reversal of 45579942880 is 8824997554.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45579942883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142437162 + ... + 142437481.

It is an arithmetic number, because the mean of its divisors is an integer number (4486775643).

Almost surely, 245579942880 is an apocalyptic number.

45579942880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45579942880 is an abundant number, since it is smaller than the sum of its proper divisors (62102672552).

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

45579942880 is a wasteful number, since it uses less digits than its factorization.

45579942880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284874658 (or 284874650 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 61.

The spelling of 45579942880 in words is "forty-five billion, five hundred seventy-nine million, nine hundred forty-two thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 284874643 569749286 1139498572 1424373215 2278997144 2848746430 4557994288 5697492860 9115988576 11394985720 22789971440 45579942880