Base | Representation |
---|---|
bin | 10001101110001111… |
… | …101011111011111101 |
3 | 1211010012022111022221 |
4 | 101232033223323331 |
5 | 302433021200234 |
6 | 12424135405341 |
7 | 1242365604103 |
oct | 215617537375 |
9 | 54105274287 |
10 | 19029475069 |
11 | 8085708300 |
12 | 3830b23851 |
13 | 1a435ba827 |
14 | cc744bc73 |
15 | 76595ceb4 |
hex | 46e3ebefd |
19029475069 has 24 divisors (see below), whose sum is σ = 21509601624. Its totient is φ = 16810358400.
The previous prime is 19029475021. The next prime is 19029475117. The reversal of 19029475069 is 96057492091.
It is an interprime number because it is at equal distance from previous prime (19029475021) and next prime (19029475117).
It can be written as a sum of positive squares in 4 ways, for example, as 1880263044 + 17149212025 = 43362^2 + 130955^2 .
It is not a de Polignac number, because 19029475069 - 217 = 19029343997 is a prime.
It is a super-2 number, since 2×190294750692 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19029475469) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4210599 + ... + 4215115.
It is an arithmetic number, because the mean of its divisors is an integer number (896233401).
Almost surely, 219029475069 is an apocalyptic number.
It is an amenable number.
19029475069 is a deficient number, since it is larger than the sum of its proper divisors (2480126555).
19029475069 is a wasteful number, since it uses less digits than its factorization.
19029475069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5517 (or 5506 counting only the distinct ones).
The product of its (nonzero) digits is 1224720, while the sum is 52.
The spelling of 19029475069 in words is "nineteen billion, twenty-nine million, four hundred seventy-five thousand, sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •