Base | Representation |
---|---|
bin | 10010010111010110… |
… | …000110111001100110 |
3 | 1212220020211012221202 |
4 | 102113112012321212 |
5 | 310341032233410 |
6 | 13020411042502 |
7 | 1265440640363 |
oct | 222726067146 |
9 | 55806735852 |
10 | 19719024230 |
11 | 83a9969844 |
12 | 39a3a40432 |
13 | 1b2340b099 |
14 | d50c6546a |
15 | 7a6268ca5 |
hex | 497586e66 |
19719024230 has 32 divisors (see below), whose sum is σ = 36079344000. Its totient is φ = 7758508032.
The previous prime is 19719024223. The next prime is 19719024253. The reversal of 19719024230 is 3242091791.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114371 + ... + 229169.
It is an arithmetic number, because the mean of its divisors is an integer number (1127479500).
Almost surely, 219719024230 is an apocalyptic number.
19719024230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19719024230 is a deficient number, since it is larger than the sum of its proper divisors (16360319770).
19719024230 is a wasteful number, since it uses less digits than its factorization.
19719024230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115088.
The product of its (nonzero) digits is 27216, while the sum is 38.
The spelling of 19719024230 in words is "nineteen billion, seven hundred nineteen million, twenty-four thousand, two hundred thirty".
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