Base | Representation |
---|---|
bin | 10001111010001011… |
… | …111110001110011011 |
3 | 1211122011022110212200 |
4 | 101322023332032123 |
5 | 303340313443440 |
6 | 12500053541243 |
7 | 1250350561320 |
oct | 217213761633 |
9 | 54564273780 |
10 | 19229827995 |
11 | 8178811434 |
12 | 3888044823 |
13 | 1a75c69661 |
14 | d05cc2b47 |
15 | 778336c30 |
hex | 47a2fe39b |
19229827995 has 48 divisors (see below), whose sum is σ = 39022506432. Its totient is φ = 8576363520.
The previous prime is 19229827963. The next prime is 19229828011. The reversal of 19229827995 is 59972892291.
19229827995 is a `hidden beast` number, since 192 + 2 + 98 + 279 + 95 = 666.
It is not a de Polignac number, because 19229827995 - 25 = 19229827963 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 731562 + ... + 757391.
It is an arithmetic number, because the mean of its divisors is an integer number (812968884).
Almost surely, 219229827995 is an apocalyptic number.
19229827995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
19229827995 is an abundant number, since it is smaller than the sum of its proper divisors (19792678437).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19229827995 is a wasteful number, since it uses less digits than its factorization.
19229827995 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1489012 (or 1489009 counting only the distinct ones).
The product of its digits is 14696640, while the sum is 63.
The spelling of 19229827995 in words is "nineteen billion, two hundred twenty-nine million, eight hundred twenty-seven thousand, nine hundred ninety-five".
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