Base | Representation |
---|---|
bin | 110100100101000001001011… |
… | …010101110111111110010100 |
3 | 1010022202112210201001021202121 |
4 | 310211001023111313332110 |
5 | 220302133214112222012 |
6 | 2135451125250345324 |
7 | 66464463562234360 |
oct | 6445011325677624 |
9 | 1108675721037677 |
10 | 231242303242132 |
11 | 67754345784426 |
12 | 21b2838358b244 |
13 | 9c050952a7140 |
14 | 411628993a2a0 |
15 | 1bb022284ca07 |
hex | d2504b577f94 |
231242303242132 has 48 divisors (see below), whose sum is σ = 498529771673472. Its totient is φ = 91394250468480.
The previous prime is 231242303242103. The next prime is 231242303242141.
It is a happy number.
231242303242132 is nontrivially palindromic in base 10.
It is a super-2 number, since 2×2312423032421322 (a number of 30 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298992238 + ... + 299764645.
It is an arithmetic number, because the mean of its divisors is an integer number (10386036909864).
Almost surely, 2231242303242132 is an apocalyptic number.
It is an amenable number.
231242303242132 is an abundant number, since it is smaller than the sum of its proper divisors (267287468431340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231242303242132 is a wasteful number, since it uses less digits than its factorization.
231242303242132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 598757968 (or 598757966 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 34.
It can be divided in two parts, 23124230 and 3242132, that added together give a palindrome (26366362).
The spelling of 231242303242132 in words is "two hundred thirty-one trillion, two hundred forty-two billion, three hundred three million, two hundred forty-two thousand, one hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •