Base | Representation |
---|---|
bin | 10001110010111110… |
… | …011000010110000100 |
3 | 1211022201121212012222 |
4 | 101302332120112010 |
5 | 303113324340302 |
6 | 12440052231512 |
7 | 1244351220314 |
oct | 216276302604 |
9 | 54281555188 |
10 | 19108824452 |
11 | 8116484703 |
12 | 385360b598 |
13 | 1a56b80a23 |
14 | cd3bc5444 |
15 | 76c8d3da2 |
hex | 472f98584 |
19108824452 has 24 divisors (see below), whose sum is σ = 34538633472. Its totient is φ = 9240991200.
The previous prime is 19108824431. The next prime is 19108824461. The reversal of 19108824452 is 25442880191.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.
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, 182018 + ... + 267110.
It is an arithmetic number, because the mean of its divisors is an integer number (1439109728).
Almost surely, 219108824452 is an apocalyptic number.
It is an amenable number.
19108824452 is a deficient number, since it is larger than the sum of its proper divisors (15429809020).
19108824452 is a wasteful number, since it uses less digits than its factorization.
19108824452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86939 (or 86937 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 44.
The spelling of 19108824452 in words is "nineteen billion, one hundred eight million, eight hundred twenty-four thousand, four hundred fifty-two".
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