Base | Representation |
---|---|
bin | 10010001110010101100… |
… | …010011000111001111111 |
3 | 11102201112000202020001220 |
4 | 102032111202120321333 |
5 | 131004300120200411 |
6 | 2355152524404423 |
7 | 156323154640050 |
oct | 22162542307177 |
9 | 4381460666056 |
10 | 1252344303231 |
11 | 44313078a92a |
12 | 1828676a6713 |
13 | 91131c41cb8 |
14 | 4488433a727 |
15 | 2289a2a3b06 |
hex | 12395898e7f |
1252344303231 has 48 divisors (see below), whose sum is σ = 1957908860160. Its totient is φ = 697486798080.
The previous prime is 1252344303209. The next prime is 1252344303239. The reversal of 1252344303231 is 1323034432521.
It is not a de Polignac number, because 1252344303231 - 221 = 1252342206079 is a prime.
It is a super-2 number, since 2×12523443032312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1252344303192 and 1252344303201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1252344303239) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11123740 + ... + 11235758.
It is an arithmetic number, because the mean of its divisors is an integer number (40789767920).
Almost surely, 21252344303231 is an apocalyptic number.
1252344303231 is a deficient number, since it is larger than the sum of its proper divisors (705564556929).
1252344303231 is a wasteful number, since it uses less digits than its factorization.
1252344303231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 112364 (or 112317 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 33.
Adding to 1252344303231 its reverse (1323034432521), we get a palindrome (2575378735752).
The spelling of 1252344303231 in words is "one trillion, two hundred fifty-two billion, three hundred forty-four million, three hundred three thousand, two hundred thirty-one".
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