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45044614878 = 2329258877097
BaseRepresentation
bin101001111100110111…
…100100011011011110
311022021020101112011120
4221330313210123132
51214222410134003
632405422231410
73153150623544
oct517467443336
9138236345146
1045044614878
111811556894a
128891425566
13432b232393
142274563d94
151289802853
hexa7cde46de

45044614878 has 16 divisors (see below), whose sum is σ = 93195755280. Its totient is φ = 14497117376.

The previous prime is 45044614877. The next prime is 45044614913. The reversal of 45044614878 is 87841644054.

It is a self number, because there is not a number n which added to its sum of digits gives 45044614878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45044614873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129438375 + ... + 129438722.

It is an arithmetic number, because the mean of its divisors is an integer number (5824734705).

Almost surely, 245044614878 is an apocalyptic number.

45044614878 is an abundant number, since it is smaller than the sum of its proper divisors (48151140402).

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

45044614878 is a wasteful number, since it uses less digits than its factorization.

45044614878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258877131.

The product of its (nonzero) digits is 3440640, while the sum is 51.

The spelling of 45044614878 in words is "forty-five billion, forty-four million, six hundred fourteen thousand, eight hundred seventy-eight".

Divisors: 1 2 3 6 29 58 87 174 258877097 517754194 776631291 1553262582 7507435813 15014871626 22522307439 45044614878