Base | Representation |
---|---|
bin | 10001101110001101… |
… | …100110010110101111 |
3 | 1211010011021200210010 |
4 | 101232031212112233 |
5 | 302432401143134 |
6 | 12424115544303 |
7 | 1242361134651 |
oct | 215615462657 |
9 | 54104250703 |
10 | 19028927919 |
11 | 8085374211 |
12 | 38308bb093 |
13 | 1a43458781 |
14 | cc73486d1 |
15 | 7658a0ce9 |
hex | 46e3665af |
19028927919 has 16 divisors (see below), whose sum is σ = 25766387712. Its totient is φ = 12490135008.
The previous prime is 19028927903. The next prime is 19028927933. The reversal of 19028927919 is 91972982091.
It is not a de Polignac number, because 19028927919 - 24 = 19028927903 is a prime.
It is a super-2 number, since 2×190289279192 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19028927719) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124527 + ... + 231440.
It is an arithmetic number, because the mean of its divisors is an integer number (1610399232).
Almost surely, 219028927919 is an apocalyptic number.
19028927919 is a deficient number, since it is larger than the sum of its proper divisors (6737459793).
19028927919 is a wasteful number, since it uses less digits than its factorization.
19028927919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 356246.
The product of its (nonzero) digits is 1469664, while the sum is 57.
The spelling of 19028927919 in words is "nineteen billion, twenty-eight million, nine hundred twenty-seven thousand, nine hundred nineteen".
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