Base | Representation |
---|---|
bin | 10010000001010110… |
… | …000110110001000010 |
3 | 1211221112022000220022 |
4 | 102001112012301002 |
5 | 304112040044210 |
6 | 12520024013442 |
7 | 1253336435210 |
oct | 220126066102 |
9 | 54845260808 |
10 | 19349924930 |
11 | 822a589aa6 |
12 | 3900301282 |
13 | 1a94ac872b |
14 | d17c25cb0 |
15 | 783b5b155 |
hex | 481586c42 |
19349924930 has 16 divisors (see below), whose sum is σ = 39805560000. Its totient is φ = 6634259952.
The previous prime is 19349924903. The next prime is 19349924953. The reversal of 19349924930 is 3942994391.
It is a happy number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138213680 + ... + 138213819.
It is an arithmetic number, because the mean of its divisors is an integer number (2487847500).
Almost surely, 219349924930 is an apocalyptic number.
19349924930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19349924930 is an abundant number, since it is smaller than the sum of its proper divisors (20455635070).
19349924930 is a wasteful number, since it uses less digits than its factorization.
19349924930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 276427513.
The product of its (nonzero) digits is 1889568, while the sum is 53.
The spelling of 19349924930 in words is "nineteen billion, three hundred forty-nine million, nine hundred twenty-four thousand, nine hundred thirty".
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