Base | Representation |
---|---|
bin | 11101110010011110100111… |
… | …101001100100011101110111 |
3 | 122011212122101111010010200210 |
4 | 131302132213221210131313 |
5 | 114133000441212402411 |
6 | 1142350101315240503 |
7 | 36411214310611131 |
oct | 3562364751443567 |
9 | 564778344103623 |
10 | 131012200122231 |
11 | 38820a6454056a |
12 | 1283b0608a9133 |
13 | 58145222b335c |
14 | 244d04aa38051 |
15 | 1022ddbe10ca6 |
hex | 7727a7a64777 |
131012200122231 has 32 divisors (see below), whose sum is σ = 176046108044800. Its totient is φ = 86660654129280.
The previous prime is 131012200122227. The next prime is 131012200122319. The reversal of 131012200122231 is 132221002210131.
It is not a de Polignac number, because 131012200122231 - 22 = 131012200122227 is a prime.
It is a super-2 number, since 2×1310122001222312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131012200122198 and 131012200122207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131012200122131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10212184725 + ... + 10212197553.
It is an arithmetic number, because the mean of its divisors is an integer number (5501440876400).
Almost surely, 2131012200122231 is an apocalyptic number.
131012200122231 is a deficient number, since it is larger than the sum of its proper divisors (45033907922569).
131012200122231 is a wasteful number, since it uses less digits than its factorization.
131012200122231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25879.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 131012200122231 its reverse (132221002210131), we get a palindrome (263233202332362).
The spelling of 131012200122231 in words is "one hundred thirty-one trillion, twelve billion, two hundred million, one hundred twenty-two thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •