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45428884830 = 23457291731597
BaseRepresentation
bin101010010011110001…
…011100010101011110
311100021000110110110000
4222103301130111132
51221014243303310
632511510355130
73165525102240
oct522361342536
9140230413400
1045428884830
11182a246a61a
12897a05baa6
13438ca26c54
1422ad5d2090
1512ad40a4c0
hexa93c5c55e

45428884830 has 320 divisors, whose sum is σ = 145343341440. Its totient is φ = 9961491456.

The previous prime is 45428884829. The next prime is 45428884847. The reversal of 45428884830 is 3848882454.

45428884830 is a `hidden beast` number, since 45 + 42 + 8 + 88 + 483 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 159 ways as a sum of consecutive naturals, for example, 28445592 + ... + 28447188.

It is an arithmetic number, because the mean of its divisors is an integer number (454197942).

Almost surely, 245428884830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45428884830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72671670720).

45428884830 is an abundant number, since it is smaller than the sum of its proper divisors (99914456610).

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

45428884830 is a wasteful number, since it uses less digits than its factorization.

45428884830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825 (or 1816 counting only the distinct ones).

The product of its (nonzero) digits is 7864320, while the sum is 54.

The spelling of 45428884830 in words is "forty-five billion, four hundred twenty-eight million, eight hundred eighty-four thousand, eight hundred thirty".