Base | Representation |
---|---|
bin | 1110001101000010011110… |
… | …01101001110010100100000 |
3 | 11002120222021020022120001112 |
4 | 13012201033031032110200 |
5 | 13043220402221334404 |
6 | 150232504213122452 |
7 | 6402414561216020 |
oct | 706411715162440 |
9 | 132528236276045 |
10 | 31234331043104 |
11 | 9a52450661a42 |
12 | 360550a329428 |
13 | 145750048a237 |
14 | 79da6d207a80 |
15 | 39272395556e |
hex | 1c684f34e520 |
31234331043104 has 24 divisors (see below), whose sum is σ = 70277244847488. Its totient is φ = 13386141875520.
The previous prime is 31234331043061. The next prime is 31234331043109. The reversal of 31234331043104 is 40134013343213.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is not an unprimeable number, because it can be changed into a prime (31234331043109) 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, 69719488712 + ... + 69719489159.
It is an arithmetic number, because the mean of its divisors is an integer number (2928218535312).
Almost surely, 231234331043104 is an apocalyptic number.
It is an amenable number.
31234331043104 is an abundant number, since it is smaller than the sum of its proper divisors (39042913804384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31234331043104 is a wasteful number, since it uses less digits than its factorization.
31234331043104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139438977888 (or 139438977880 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 32.
Adding to 31234331043104 its reverse (40134013343213), we get a palindrome (71368344386317).
The spelling of 31234331043104 in words is "thirty-one trillion, two hundred thirty-four billion, three hundred thirty-one million, forty-three thousand, one hundred four".
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