Base | Representation |
---|---|
bin | 10001011111101111011… |
… | …101011011000011111111 |
3 | 11020221101021200010022101 |
4 | 101133233131123003333 |
5 | 124144314203440411 |
6 | 2320200215325531 |
7 | 152602305536650 |
oct | 21375735330377 |
9 | 4227337603271 |
10 | 1202313343231 |
11 | 4239975a1100 |
12 | 1750243808a7 |
13 | 894ba952360 |
14 | 4229986b527 |
15 | 2141cd458c1 |
hex | 117ef75b0ff |
1202313343231 has 48 divisors (see below), whose sum is σ = 1628383708224. Its totient is φ = 863812224000.
The previous prime is 1202313343223. The next prime is 1202313343237. The reversal of 1202313343231 is 1323433132021.
It is not a de Polignac number, because 1202313343231 - 23 = 1202313343223 is a prime.
It is a super-2 number, since 2×12023133432312 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1202313343231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1202313343237) 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, 9638721 + ... + 9762661.
It is an arithmetic number, because the mean of its divisors is an integer number (33924660588).
Almost surely, 21202313343231 is an apocalyptic number.
1202313343231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1202313343231 is a deficient number, since it is larger than the sum of its proper divisors (426070364993).
1202313343231 is a wasteful number, since it uses less digits than its factorization.
1202313343231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124864 (or 124853 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 28.
Adding to 1202313343231 its reverse (1323433132021), we get a palindrome (2525746475252).
The spelling of 1202313343231 in words is "one trillion, two hundred two billion, three hundred thirteen million, three hundred forty-three thousand, two hundred thirty-one".
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