Base | Representation |
---|---|
bin | 11100001011000011… |
… | …100100001110010101 |
3 | 2220002012012012001012 |
4 | 130023003210032111 |
5 | 443423031132003 |
6 | 21521411542005 |
7 | 2120425633001 |
oct | 341303441625 |
9 | 86065165035 |
10 | 30250255253 |
11 | 11913531559 |
12 | 5a428ba905 |
13 | 2b11196a2a |
14 | 166d78d701 |
15 | bc0aad8d8 |
hex | 70b0e4395 |
30250255253 has 4 divisors (see below), whose sum is σ = 30250855020. Its totient is φ = 30249655488.
The previous prime is 30250255241. The next prime is 30250255261. The reversal of 30250255253 is 35255205203.
It is a happy number.
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 10307731729 + 19942523524 = 101527^2 + 141218^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30250255253 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30250215253) 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, 216500 + ... + 327677.
It is an arithmetic number, because the mean of its divisors is an integer number (7562713755).
Almost surely, 230250255253 is an apocalyptic number.
It is an amenable number.
30250255253 is a deficient number, since it is larger than the sum of its proper divisors (599767).
30250255253 is an equidigital number, since it uses as much as digits as its factorization.
30250255253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 599766.
The product of its (nonzero) digits is 45000, while the sum is 32.
The spelling of 30250255253 in words is "thirty billion, two hundred fifty million, two hundred fifty-five thousand, two hundred fifty-three".
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