Base | Representation |
---|---|
bin | 11101110101010111111101… |
… | …100100000111111111000010 |
3 | 122012120200001211100222102011 |
4 | 131311113331210013333002 |
5 | 114144231024231443132 |
6 | 1143021333040243134 |
7 | 36431461050123661 |
oct | 3565277544077702 |
9 | 565520054328364 |
10 | 131211210031042 |
11 | 388983a8436589 |
12 | 128717409104aa |
13 | 582a21945454b |
14 | 245892942add8 |
15 | 10281884aeb47 |
hex | 7755fd907fc2 |
131211210031042 has 16 divisors (see below), whose sum is σ = 203943240800640. Its totient is φ = 63268755378192.
The previous prime is 131211210031007. The next prime is 131211210031169. The reversal of 131211210031042 is 240130012112131.
131211210031042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 9656396653 + ... + 9656410240.
It is an arithmetic number, because the mean of its divisors is an integer number (12746452550040).
Almost surely, 2131211210031042 is an apocalyptic number.
131211210031042 is a deficient number, since it is larger than the sum of its proper divisors (72732030769598).
131211210031042 is a wasteful number, since it uses less digits than its factorization.
131211210031042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19312807017.
The product of its (nonzero) digits is 288, while the sum is 22.
Adding to 131211210031042 its reverse (240130012112131), we get a palindrome (371341222143173).
The spelling of 131211210031042 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred ten million, thirty-one thousand, forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •