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45875000421 = 3218128579857
BaseRepresentation
bin101010101110010111…
…001111010001100101
311101102002220110222200
4222232113033101211
51222423000003141
633024044245113
73212553032625
oct525627172145
9141362813880
1045875000421
1118501272898
128a83540799
134431293883
14231295c885
1512d767cab6
hexaae5cf465

45875000421 has 24 divisors (see below), whose sum is σ = 66660072024. Its totient is φ = 30400634880.

The previous prime is 45875000419. The next prime is 45875000489. The reversal of 45875000421 is 12400057854.

45875000421 is a `hidden beast` number, since 4 + 587 + 50 + 0 + 0 + 4 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 256448196 + 45618552225 = 16014^2 + 213585^2 .

It is not a de Polignac number, because 45875000421 - 21 = 45875000419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45875000401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4649125 + ... + 4658981.

It is an arithmetic number, because the mean of its divisors is an integer number (2777503001).

Almost surely, 245875000421 is an apocalyptic number.

It is an amenable number.

45875000421 is a deficient number, since it is larger than the sum of its proper divisors (20785071603).

45875000421 is a wasteful number, since it uses less digits than its factorization.

45875000421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12901 (or 12898 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The spelling of 45875000421 in words is "forty-five billion, eight hundred seventy-five million, four hundred twenty-one", and thus it is an aban number.

Divisors: 1 3 9 181 543 1629 2857 8571 9857 25713 29571 88713 517117 1551351 1784117 4654053 5352351 16057053 28161449 84484347 253453041 5097222269 15291666807 45875000421