Base | Representation |
---|---|
bin | 10001110010101100… |
… | …111011011110010111 |
3 | 1211022102000102220121 |
4 | 101302230323132113 |
5 | 303111141443001 |
6 | 12435410212411 |
7 | 1244264305066 |
oct | 216254733627 |
9 | 54272012817 |
10 | 19104249751 |
11 | 811393a664 |
12 | 3851b84107 |
13 | 1a55c3b6c2 |
14 | cd33541dd |
15 | 76c2cd6a1 |
hex | 472b3b797 |
19104249751 has 16 divisors (see below), whose sum is σ = 21264768000. Its totient is φ = 17087716800.
The previous prime is 19104249733. The next prime is 19104249761. The reversal of 19104249751 is 15794240191.
It is a cyclic number.
It is not a de Polignac number, because 19104249751 - 215 = 19104216983 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 19104249698 and 19104249707.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19104249761) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371401 + ... + 419698.
It is an arithmetic number, because the mean of its divisors is an integer number (1329048000).
Almost surely, 219104249751 is an apocalyptic number.
19104249751 is a deficient number, since it is larger than the sum of its proper divisors (2160518249).
19104249751 is a wasteful number, since it uses less digits than its factorization.
19104249751 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 791190.
The product of its (nonzero) digits is 90720, while the sum is 43.
The spelling of 19104249751 in words is "nineteen billion, one hundred four million, two hundred forty-nine thousand, seven hundred fifty-one".
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