Base | Representation |
---|---|
bin | 10011000110000111001… |
… | …111100110111110001111 |
3 | 11122110002211212010210100 |
4 | 103012013033212332033 |
5 | 132444423403304411 |
6 | 2442455413342143 |
7 | 163543245212151 |
oct | 23060717467617 |
9 | 4573084763710 |
10 | 1312234041231 |
11 | 4665739a7473 |
12 | 1923a0637953 |
13 | 969878a47a9 |
14 | 477262caad1 |
15 | 24202ec6456 |
hex | 131873e6f8f |
1312234041231 has 24 divisors (see below), whose sum is σ = 1898757731520. Its totient is φ = 873296179200.
The previous prime is 1312234041229. The next prime is 1312234041259. The reversal of 1312234041231 is 1321404322131.
1312234041231 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 23 + 404 + 1 + 231 = 666.
It is not a de Polignac number, because 1312234041231 - 21 = 1312234041229 is a prime.
It is a super-2 number, since 2×13122340412312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1312234041195 and 1312234041204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1312234041211) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36678730 + ... + 36714488.
It is an arithmetic number, because the mean of its divisors is an integer number (79114905480).
Almost surely, 21312234041231 is an apocalyptic number.
1312234041231 is a deficient number, since it is larger than the sum of its proper divisors (586523690289).
1312234041231 is a wasteful number, since it uses less digits than its factorization.
1312234041231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42767 (or 42764 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
Adding to 1312234041231 its reverse (1321404322131), we get a palindrome (2633638363362).
The spelling of 1312234041231 in words is "one trillion, three hundred twelve billion, two hundred thirty-four million, forty-one thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •