Base | Representation |
---|---|
bin | 10010010000011110… |
… | …100101101100111110 |
3 | 1212121020000120200100 |
4 | 102100132211230332 |
5 | 310122033311123 |
6 | 13001133341530 |
7 | 1262541416244 |
oct | 222036455476 |
9 | 55536016610 |
10 | 19603807038 |
11 | 834a924422 |
12 | 39713378a6 |
13 | 1b0559a12a |
14 | d3d832794 |
15 | 79b0aa643 |
hex | 4907a5b3e |
19603807038 has 12 divisors (see below), whose sum is σ = 42474915288. Its totient is φ = 6534602340.
The previous prime is 19603807033. The next prime is 19603807073. The reversal of 19603807038 is 83070830691.
It is a happy number.
19603807038 is a `hidden beast` number, since 1 + 9 + 603 + 8 + 0 + 7 + 0 + 38 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 19603806984 and 19603807002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19603807031) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 544550178 + ... + 544550213.
It is an arithmetic number, because the mean of its divisors is an integer number (3539576274).
Almost surely, 219603807038 is an apocalyptic number.
19603807038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
19603807038 is an abundant number, since it is smaller than the sum of its proper divisors (22871108250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19603807038 is a wasteful number, since it uses less digits than its factorization.
19603807038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1089100399 (or 1089100396 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The spelling of 19603807038 in words is "nineteen billion, six hundred three million, eight hundred seven thousand, thirty-eight".
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