Base | Representation |
---|---|
bin | 10001011111011110101… |
… | …000110010100001010111 |
3 | 11020220122121121012102022 |
4 | 101133132220302201113 |
5 | 124143224431011411 |
6 | 2320112214203355 |
7 | 152562310566140 |
oct | 21373650624127 |
9 | 4226577535368 |
10 | 1202031110231 |
11 | 423862252296 |
12 | 174b6595355b |
13 | 89474335493 |
14 | 422701a0ac7 |
15 | 21403195edb |
hex | 117dea32857 |
1202031110231 has 24 divisors (see below), whose sum is σ = 1384667275680. Its totient is φ = 1022188216896.
The previous prime is 1202031110123. The next prime is 1202031110327. The reversal of 1202031110231 is 1320111302021.
It is not a de Polignac number, because 1202031110231 - 222 = 1202026915927 is a prime.
It is a super-2 number, since 2×12020311102312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1202031110831) 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, 306873485 + ... + 306877401.
It is an arithmetic number, because the mean of its divisors is an integer number (57694469820).
Almost surely, 21202031110231 is an apocalyptic number.
1202031110231 is a deficient number, since it is larger than the sum of its proper divisors (182636165449).
1202031110231 is an equidigital number, since it uses as much as digits as its factorization.
1202031110231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6471 (or 6332 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 1202031110231 its reverse (1320111302021), we get a palindrome (2522142412252).
The spelling of 1202031110231 in words is "one trillion, two hundred two billion, thirty-one million, one hundred ten thousand, two hundred thirty-one".
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