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45216129893 = 1123971842473
BaseRepresentation
bin101010000111000101…
…110110001101100101
311022201012010101112112
4222013011312031211
51220100312124033
632434430330405
73160332522404
oct520705661545
9138635111475
1045216129893
11181a33656a0
12891a959a05
13435792515c
14228d24d63b
1512998d1c48
hexa87176365

45216129893 has 16 divisors (see below), whose sum is σ = 52001986176. Its totient is φ = 38913008640.

The previous prime is 45216129887. The next prime is 45216129901. The reversal of 45216129893 is 39892161254.

45216129893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45216129893 - 24 = 45216129877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45216129853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 896696 + ... + 945777.

It is an arithmetic number, because the mean of its divisors is an integer number (3250124136).

Almost surely, 245216129893 is an apocalyptic number.

It is an amenable number.

45216129893 is a deficient number, since it is larger than the sum of its proper divisors (6785856283).

45216129893 is a wasteful number, since it uses less digits than its factorization.

45216129893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842604.

The product of its digits is 933120, while the sum is 50.

The spelling of 45216129893 in words is "forty-five billion, two hundred sixteen million, one hundred twenty-nine thousand, eight hundred ninety-three".

Divisors: 1 11 23 97 253 1067 2231 24541 1842473 20267203 42376879 178719881 466145669 1965918691 4110557263 45216129893