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45781469438 = 2176720097221
BaseRepresentation
bin101010101000110010…
…011100100011111110
311101011120220121121012
4222220302130203332
51222230024010223
633010503435222
73210336032555
oct525062344376
9141146817535
1045781469438
111846349a661
128a58155b12
134417aa66b3
142304372d9c
1512ce354c78
hexaa8c9c8fe

45781469438 has 16 divisors (see below), whose sum is σ = 73796999184. Its totient is φ = 21222664320.

The previous prime is 45781469401. The next prime is 45781469449. The reversal of 45781469438 is 83496418754.

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 7 ways as a sum of consecutive naturals, for example, 10046333 + ... + 10050888.

It is an arithmetic number, because the mean of its divisors is an integer number (4612312449).

Almost surely, 245781469438 is an apocalyptic number.

45781469438 is a deficient number, since it is larger than the sum of its proper divisors (28015529746).

45781469438 is a wasteful number, since it uses less digits than its factorization.

45781469438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20097307.

The product of its digits is 23224320, while the sum is 59.

The spelling of 45781469438 in words is "forty-five billion, seven hundred eighty-one million, four hundred sixty-nine thousand, four hundred thirty-eight".

Divisors: 1 2 17 34 67 134 1139 2278 20097221 40194442 341652757 683305514 1346513807 2693027614 22890734719 45781469438