Base | Representation |
---|---|
bin | 1110101011001010100… |
… | …1000010010111101110 |
3 | 220002201122102100210100 |
4 | 3222302221002113232 |
5 | 13112302413031410 |
6 | 311452053251530 |
7 | 24133254613224 |
oct | 3526251022756 |
9 | 802648370710 |
10 | 252105205230 |
11 | 97a0a8a808a |
12 | 40a39633ba6 |
13 | 1aa09280068 |
14 | c2b8254b14 |
15 | 6857a5d8c0 |
hex | 3ab2a425ee |
252105205230 has 24 divisors (see below), whose sum is σ = 655473533832. Its totient is φ = 67228054704.
The previous prime is 252105205193. The next prime is 252105205249. The reversal of 252105205230 is 32502501252.
252105205230 is a `hidden beast` number, since 2 + 52 + 10 + 520 + 52 + 30 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 252105205194 and 252105205203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1400584384 + ... + 1400584563.
It is an arithmetic number, because the mean of its divisors is an integer number (27311397243).
Almost surely, 2252105205230 is an apocalyptic number.
252105205230 is an abundant number, since it is smaller than the sum of its proper divisors (403368328602).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252105205230 is a wasteful number, since it uses less digits than its factorization.
252105205230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2801168960 (or 2801168957 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
Adding to 252105205230 its reverse (32502501252), we get a palindrome (284607706482).
The spelling of 252105205230 in words is "two hundred fifty-two billion, one hundred five million, two hundred five thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.092 sec. • engine limits •