Base | Representation |
---|---|
bin | 10010010100100000… |
… | …010111110001100011 |
3 | 1212202221011210122220 |
4 | 102110200113301203 |
5 | 310241333230024 |
6 | 13011550002123 |
7 | 1264321666152 |
oct | 222440276143 |
9 | 55687153586 |
10 | 19671383139 |
11 | 8384a8a341 |
12 | 398baa6343 |
13 | 1b1659a5a5 |
14 | d487c3599 |
15 | 7a1ea7e79 |
hex | 494817c63 |
19671383139 has 8 divisors (see below), whose sum is σ = 26233275072. Its totient is φ = 13111873320.
The previous prime is 19671383113. The next prime is 19671383143. The reversal of 19671383139 is 93138317691.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 19671383139 - 28 = 19671382883 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 19671383091 and 19671383100.
It is not an unprimeable number, because it can be changed into a prime (19671387139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576169 + ... + 609354.
It is an arithmetic number, because the mean of its divisors is an integer number (3279159384).
Almost surely, 219671383139 is an apocalyptic number.
19671383139 is a deficient number, since it is larger than the sum of its proper divisors (6561891933).
19671383139 is a wasteful number, since it uses less digits than its factorization.
19671383139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1191057.
The product of its digits is 734832, while the sum is 51.
The spelling of 19671383139 in words is "nineteen billion, six hundred seventy-one million, three hundred eighty-three thousand, one hundred thirty-nine".
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