Base | Representation |
---|---|
bin | 10001011100101001… |
… | …010000111110001011 |
3 | 1210100121200111000111 |
4 | 101130221100332023 |
5 | 301331423043400 |
6 | 12334550415151 |
7 | 1232151664060 |
oct | 213451207613 |
9 | 53317614014 |
10 | 18734190475 |
11 | 7a43a64650 |
12 | 376a0614b7 |
13 | 19c7381110 |
14 | c9a144c67 |
15 | 749a813ba |
hex | 45ca50f8b |
18734190475 has 288 divisors, whose sum is σ = 34752775680. Its totient is φ = 9642240000.
The previous prime is 18734190469. The next prime is 18734190481. The reversal of 18734190475 is 57409143781.
It is an interprime number because it is at equal distance from previous prime (18734190469) and next prime (18734190481).
It is not a de Polignac number, because 18734190475 - 27 = 18734190347 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 456931455 + ... + 456931495.
It is an arithmetic number, because the mean of its divisors is an integer number (120669360).
Almost surely, 218734190475 is an apocalyptic number.
18734190475 is a deficient number, since it is larger than the sum of its proper divisors (16018585205).
18734190475 is a wasteful number, since it uses less digits than its factorization.
18734190475 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163 (or 127 counting only the distinct ones).
The product of its (nonzero) digits is 846720, while the sum is 49.
The spelling of 18734190475 in words is "eighteen billion, seven hundred thirty-four million, one hundred ninety thousand, four hundred seventy-five".
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