Base | Representation |
---|---|
bin | 10010010001100000… |
… | …010110110110100010 |
3 | 1212122102110111102220 |
4 | 102101200112312202 |
5 | 310140442011324 |
6 | 13002551051510 |
7 | 1263141103512 |
oct | 222140266642 |
9 | 55572414386 |
10 | 19621047714 |
11 | 835962a614 |
12 | 3977070b96 |
13 | 1b09025608 |
14 | d41c3d842 |
15 | 79c863b79 |
hex | 491816da2 |
19621047714 has 16 divisors (see below), whose sum is σ = 39310112928. Its totient is φ = 6529012992.
The previous prime is 19621047707. The next prime is 19621047739. The reversal of 19621047714 is 41774012691.
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, 2830312 + ... + 2837235.
It is an arithmetic number, because the mean of its divisors is an integer number (2456882058).
Almost surely, 219621047714 is an apocalyptic number.
19621047714 is an abundant number, since it is smaller than the sum of its proper divisors (19689065214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19621047714 is a wasteful number, since it uses less digits than its factorization.
19621047714 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5668129.
The product of its (nonzero) digits is 84672, while the sum is 42.
The spelling of 19621047714 in words is "nineteen billion, six hundred twenty-one million, forty-seven thousand, seven hundred fourteen".
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