Base | Representation |
---|---|
bin | 10001110100001000… |
… | …101110000101000010 |
3 | 1211101002021221021211 |
4 | 101310020232011002 |
5 | 303133321442010 |
6 | 12442030040334 |
7 | 1245005653564 |
oct | 216410560502 |
9 | 54332257254 |
10 | 19128312130 |
11 | 8126485024 |
12 | 385a0490aa |
13 | 1a5ac14bb5 |
14 | cd6619334 |
15 | 76e48308a |
hex | 47422e142 |
19128312130 has 32 divisors (see below), whose sum is σ = 37492891200. Its totient is φ = 6998668992.
The previous prime is 19128312113. The next prime is 19128312163. The reversal of 19128312130 is 3121382191.
It is a junction number, because it is equal to n+sod(n) for n = 19128312092 and 19128312101.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1730272 + ... + 1741291.
It is an arithmetic number, because the mean of its divisors is an integer number (1171652850).
Almost surely, 219128312130 is an apocalyptic number.
19128312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19128312130 is a deficient number, since it is larger than the sum of its proper divisors (18364579070).
19128312130 is a wasteful number, since it uses less digits than its factorization.
19128312130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3471618.
The product of its (nonzero) digits is 2592, while the sum is 31.
The spelling of 19128312130 in words is "nineteen billion, one hundred twenty-eight million, three hundred twelve thousand, one hundred thirty".
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