Base | Representation |
---|---|
bin | 111101000110011101… |
… | …1000001010110000001 |
3 | 110112200110222022212101 |
4 | 1322030323001112001 |
5 | 4122211101113441 |
6 | 140140100230401 |
7 | 12323405441260 |
oct | 1721473012601 |
9 | 415613868771 |
10 | 131213301121 |
11 | 50713540231 |
12 | 2151b09b401 |
13 | c4b13752a6 |
14 | 64ca69c5d7 |
15 | 362e62a231 |
hex | 1e8cec1581 |
131213301121 has 8 divisors (see below), whose sum is σ = 150010168320. Its totient is φ = 112429461408.
The previous prime is 131213301101. The next prime is 131213301137. The reversal of 131213301121 is 121103312131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131213301121 - 219 = 131212776833 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131213301101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3235276 + ... + 3275581.
It is an arithmetic number, because the mean of its divisors is an integer number (18751271040).
Almost surely, 2131213301121 is an apocalyptic number.
It is an amenable number.
131213301121 is a deficient number, since it is larger than the sum of its proper divisors (18796867199).
131213301121 is an equidigital number, since it uses as much as digits as its factorization.
131213301121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6513743.
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 131213301121 its reverse (121103312131), we get a palindrome (252316613252).
The spelling of 131213301121 in words is "one hundred thirty-one billion, two hundred thirteen million, three hundred one thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •