Base | Representation |
---|---|
bin | 101101100100001100101… |
… | …101101010100011001110 |
3 | 102002100021210212102222011 |
4 | 231210030231222203032 |
5 | 402300242040044032 |
6 | 10354250203411434 |
7 | 442140104504335 |
oct | 55441455524316 |
9 | 12070253772864 |
10 | 3131244456142 |
11 | aa7a53956160 |
12 | 426a33523b7a |
13 | 199376492aca |
14 | ab7a5784d1c |
15 | 566b6975247 |
hex | 2d90cb6a8ce |
3131244456142 has 32 divisors (see below), whose sum is σ = 5290923875328. Its totient is φ = 1376915760000.
The previous prime is 3131244456113. The next prime is 3131244456149. The reversal of 3131244456142 is 2416544421313.
3131244456142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 3131244456095 and 3131244456104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3131244456149) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1253542 + ... + 2798902.
It is an arithmetic number, because the mean of its divisors is an integer number (165341371104).
Almost surely, 23131244456142 is an apocalyptic number.
3131244456142 is a deficient number, since it is larger than the sum of its proper divisors (2159679419186).
3131244456142 is a wasteful number, since it uses less digits than its factorization.
3131244456142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1548376.
The product of its digits is 276480, while the sum is 40.
Adding to 3131244456142 its reverse (2416544421313), we get a palindrome (5547788877455).
The spelling of 3131244456142 in words is "three trillion, one hundred thirty-one billion, two hundred forty-four million, four hundred fifty-six thousand, one hundred forty-two".
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