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45147216044 = 2272230342939
BaseRepresentation
bin101010000010111110…
…111101100010101100
311022112101110012111202
4222002332331202230
51214430141403134
632423525305032
73155535001400
oct520276754254
9138471405452
1045147216044
11181684766a7
1288bb865178
134346576b28
142284031100
15129381cd7e
hexa82fbd8ac

45147216044 has 18 divisors (see below), whose sum is σ = 91906833060. Its totient is φ = 19348806792.

The previous prime is 45147216041. The next prime is 45147216067. The reversal of 45147216044 is 44061274154.

It is a super-2 number, since 2×451472160442 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45147215989 and 45147216007.

It is not an unprimeable number, because it can be changed into a prime (45147216041) 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 5 ways as a sum of consecutive naturals, for example, 115171274 + ... + 115171665.

It is an arithmetic number, because the mean of its divisors is an integer number (5105935170).

Almost surely, 245147216044 is an apocalyptic number.

It is an amenable number.

45147216044 is an abundant number, since it is smaller than the sum of its proper divisors (46759617016).

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

45147216044 is a wasteful number, since it uses less digits than its factorization.

45147216044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230342957 (or 230342948 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 45147216044 in words is "forty-five billion, one hundred forty-seven million, two hundred sixteen thousand, forty-four".

Divisors: 1 2 4 7 14 28 49 98 196 230342939 460685878 921371756 1612400573 3224801146 6449602292 11286804011 22573608022 45147216044