Base | Representation |
---|---|
bin | 1011110110000010111100… |
… | …0110001110010010010001 |
3 | 1201002222222101120011211022 |
4 | 2331200233012032102101 |
5 | 3201332333014031001 |
6 | 43410424354125225 |
7 | 2512614220024121 |
oct | 275405706162221 |
9 | 51088871504738 |
10 | 13023131002001 |
11 | 4171095a3597a |
12 | 1563b78280815 |
13 | 7360cac24153 |
14 | 330474094c81 |
15 | 178b6522211b |
hex | bd82f18e491 |
13023131002001 has 4 divisors (see below), whose sum is σ = 13187980761600. Its totient is φ = 12858281242404.
The previous prime is 13023131001997. The next prime is 13023131002039. The reversal of 13023131002001 is 10020013132031.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 13023131002001 - 22 = 13023131001997 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13023131002051) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82424879681 + ... + 82424879838.
It is an arithmetic number, because the mean of its divisors is an integer number (3296995190400).
Almost surely, 213023131002001 is an apocalyptic number.
It is an amenable number.
13023131002001 is a deficient number, since it is larger than the sum of its proper divisors (164849759599).
13023131002001 is an equidigital number, since it uses as much as digits as its factorization.
13023131002001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 164849759598.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 13023131002001 its reverse (10020013132031), we get a palindrome (23043144134032).
The spelling of 13023131002001 in words is "thirteen trillion, twenty-three billion, one hundred thirty-one million, two thousand, one".
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