Base | Representation |
---|---|
bin | 10001011110110010… |
… | …101000100100100101 |
3 | 1210110010102222222210 |
4 | 101132302220210211 |
5 | 301420132411434 |
6 | 12342314314033 |
7 | 1233100034460 |
oct | 213662504445 |
9 | 53403388883 |
10 | 18770200869 |
11 | 7a6231a802 |
12 | 377a128919 |
13 | 1a0197ba44 |
14 | ca0c3a2d7 |
15 | 74cce5ee9 |
hex | 45eca8925 |
18770200869 has 8 divisors (see below), whose sum is σ = 28602210880. Its totient is φ = 10725829056.
The previous prime is 18770200829. The next prime is 18770200901. The reversal of 18770200869 is 96800207781.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 18770200869 - 212 = 18770196773 is a prime.
It is a super-2 number, since 2×187702008692 (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 (18770200829) 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, 446909524 + ... + 446909565.
It is an arithmetic number, because the mean of its divisors is an integer number (3575276360).
Almost surely, 218770200869 is an apocalyptic number.
It is an amenable number.
18770200869 is a deficient number, since it is larger than the sum of its proper divisors (9832010011).
18770200869 is an equidigital number, since it uses as much as digits as its factorization.
18770200869 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 893819099.
The product of its (nonzero) digits is 338688, while the sum is 48.
The spelling of 18770200869 in words is "eighteen billion, seven hundred seventy million, two hundred thousand, eight hundred sixty-nine".
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