Base | Representation |
---|---|
bin | 10001111010011111… |
… | …011100110010010000 |
3 | 1211122111220212212102 |
4 | 101322133130302100 |
5 | 303343120341104 |
6 | 12500355215532 |
7 | 1250442145334 |
oct | 217237346220 |
9 | 54574825772 |
10 | 19234933904 |
11 | 818068959a |
12 | 38898a75a8 |
13 | 1a770366c4 |
14 | d068517c4 |
15 | 7789e4a1e |
hex | 47a7dcc90 |
19234933904 has 20 divisors (see below), whose sum is σ = 37739429760. Its totient is φ = 9495726240.
The previous prime is 19234933901. The next prime is 19234933937. The reversal of 19234933904 is 40933943291.
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (19234933901) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7607492 + ... + 7610019.
It is an arithmetic number, because the mean of its divisors is an integer number (1886971488).
Almost surely, 219234933904 is an apocalyptic number.
It is an amenable number.
19234933904 is a deficient number, since it is larger than the sum of its proper divisors (18504495856).
19234933904 is a wasteful number, since it uses less digits than its factorization.
19234933904 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15217598 (or 15217592 counting only the distinct ones).
The product of its (nonzero) digits is 629856, while the sum is 47.
The spelling of 19234933904 in words is "nineteen billion, two hundred thirty-four million, nine hundred thirty-three thousand, nine hundred four".
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