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745470307284 = 223163381119789
BaseRepresentation
bin10101101100100010111…
…11100010101111010100
32122021012002220100002220
422312101133202233110
544203210344313114
61330244143502340
7104600310030033
oct12662137425724
92567162810086
10745470307284
1126817461054a
121005885b79b0
13553b3938001
142811c1da71a
15145d0e460a9
hexad917e2bd4

745470307284 has 24 divisors (see below), whose sum is σ = 1750102075680. Its totient is φ = 246965622624.

The previous prime is 745470307243. The next prime is 745470307301. The reversal of 745470307284 is 482703074547.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190557939 + ... + 190561850.

It is an arithmetic number, because the mean of its divisors is an integer number (72920919820).

Almost surely, 2745470307284 is an apocalyptic number.

It is an amenable number.

745470307284 is an abundant number, since it is smaller than the sum of its proper divisors (1004631768396).

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

745470307284 is a wasteful number, since it uses less digits than its factorization.

745470307284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381119959 (or 381119957 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 51.

The spelling of 745470307284 in words is "seven hundred forty-five billion, four hundred seventy million, three hundred seven thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 163 326 489 652 978 1956 381119789 762239578 1143359367 1524479156 2286718734 4573437468 62122525607 124245051214 186367576821 248490102428 372735153642 745470307284