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745612474139 = 13230941142591
BaseRepresentation
bin10101101100110011111…
…01110111011100011011
32122021120000102011100222
422312121331313130123
544204003243133024
61330310222550255
7104603654313461
oct12663175673433
92567500364328
10745612474139
11268237892615
1210060813838b
1355407223700
1428133046831
15145dd67985e
hexad99f7771b

745612474139 has 12 divisors (see below), whose sum is σ = 807410944512. Its totient is φ = 688230597600.

The previous prime is 745612474133. The next prime is 745612474237. The reversal of 745612474139 is 931474216547.

It is a de Polignac number, because none of the positive numbers 2k-745612474139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745612474133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5157734 + ... + 5300324.

It is an arithmetic number, because the mean of its divisors is an integer number (67284245376).

Almost surely, 2745612474139 is an apocalyptic number.

745612474139 is a deficient number, since it is larger than the sum of its proper divisors (61798470373).

745612474139 is a wasteful number, since it uses less digits than its factorization.

745612474139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173558 (or 173545 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 53.

The spelling of 745612474139 in words is "seven hundred forty-five billion, six hundred twelve million, four hundred seventy-four thousand, one hundred thirty-nine".

Divisors: 1 13 169 30941 142591 402233 1853683 5229029 24097879 4411908131 57354805703 745612474139