Base | Representation |
---|---|
bin | 1101010011110001… |
… | …00100001000110010 |
3 | 200102221211222010122 |
4 | 12221320210020302 |
5 | 104113124114012 |
6 | 3141001130242 |
7 | 342030505121 |
oct | 65170441062 |
9 | 20387758118 |
10 | 7145144882 |
11 | 3037280117 |
12 | 1474a89982 |
13 | 89b3c4ca5 |
14 | 4bad3dab8 |
15 | 2bc439e72 |
hex | 1a9e24232 |
7145144882 has 6 divisors (see below), whose sum is σ = 10717896639. Its totient is φ = 3572512670.
The previous prime is 7145144869. The next prime is 7145144893. The reversal of 7145144882 is 2884415417.
It can be written as a sum of positive squares in only one way, i.e., 3572572441 + 3572572441 = 59771^2 + 59771^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=59771.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 89657 + ... + 149427.
Almost surely, 27145144882 is an apocalyptic number.
7145144882 is a deficient number, since it is larger than the sum of its proper divisors (3572751757).
7145144882 is an frugal number, since it uses more digits than its factorization.
7145144882 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 119544 (or 59773 counting only the distinct ones).
The product of its digits is 286720, while the sum is 44.
The square root of 7145144882 is about 84528.9588366023. The cubic root of 7145144882 is about 1926.0623703117.
The spelling of 7145144882 in words is "seven billion, one hundred forty-five million, one hundred forty-four thousand, eight hundred eighty-two".
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