Base | Representation |
---|---|
bin | 11100101101111100… |
… | …000110010011011101 |
3 | 2221120222102201020221 |
4 | 130231330012103131 |
5 | 1001122342002003 |
6 | 22055435441341 |
7 | 2141063266435 |
oct | 345574062335 |
9 | 87528381227 |
10 | 30835500253 |
11 | 12093921808 |
12 | 5b868b6251 |
13 | 2ba54c764c |
14 | 16c73b52c5 |
15 | c071647bd |
hex | 72df064dd |
30835500253 has 4 divisors (see below), whose sum is σ = 30847599900. Its totient is φ = 30823400608.
The previous prime is 30835500247. The next prime is 30835500257. The reversal of 30835500253 is 35200553803.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 27863287929 + 2972212324 = 166923^2 + 54518^2 .
It is a cyclic number.
It is not a de Polignac number, because 30835500253 - 217 = 30835369181 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30835500257) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6046000 + ... + 6051097.
It is an arithmetic number, because the mean of its divisors is an integer number (7711899975).
Almost surely, 230835500253 is an apocalyptic number.
It is an amenable number.
30835500253 is a deficient number, since it is larger than the sum of its proper divisors (12099647).
30835500253 is a wasteful number, since it uses less digits than its factorization.
30835500253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12099646.
The product of its (nonzero) digits is 54000, while the sum is 34.
The spelling of 30835500253 in words is "thirty billion, eight hundred thirty-five million, five hundred thousand, two hundred fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •