Base | Representation |
---|---|
bin | 10010100010011000… |
… | …001110000011111110 |
3 | 1220101011010102112102 |
4 | 102202120032003332 |
5 | 311230424032410 |
6 | 13051022305102 |
7 | 1303146201311 |
oct | 224230160376 |
9 | 56334112472 |
10 | 19904127230 |
11 | 84943a7429 |
12 | 3a35a28192 |
13 | 1b5287a8a0 |
14 | d6b68a978 |
15 | 7b762e2a5 |
hex | 4a260e0fe |
19904127230 has 32 divisors (see below), whose sum is σ = 38820134304. Its totient is φ = 7304121216.
The previous prime is 19904127227. The next prime is 19904127239. The reversal of 19904127230 is 3272140991.
19904127230 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19904127239) 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, 448469 + ... + 490848.
It is an arithmetic number, because the mean of its divisors is an integer number (1213129197).
Almost surely, 219904127230 is an apocalyptic number.
19904127230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19904127230 is a deficient number, since it is larger than the sum of its proper divisors (18916007074).
19904127230 is a wasteful number, since it uses less digits than its factorization.
19904127230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 939500.
The product of its (nonzero) digits is 27216, while the sum is 38.
The spelling of 19904127230 in words is "nineteen billion, nine hundred four million, one hundred twenty-seven thousand, two hundred thirty".
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