Base | Representation |
---|---|
bin | 1110001010100110011001… |
… | …11111110010011101010101 |
3 | 11002021221222211122110021122 |
4 | 13011103030333302131111 |
5 | 13040332302234320110 |
6 | 150130210025253325 |
7 | 6363360321044633 |
oct | 705231477623525 |
9 | 132257884573248 |
10 | 31150542104405 |
11 | 9a1a963a1a169 |
12 | 35b1225634245 |
13 | 144c639391979 |
14 | 7999a117a353 |
15 | 39046ca03255 |
hex | 1c54ccff2755 |
31150542104405 has 8 divisors (see below), whose sum is σ = 37420544501592. Its totient is φ = 24893837699328.
The previous prime is 31150542104393. The next prime is 31150542104477. The reversal of 31150542104405 is 50440124505113.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 3471726648049 + 27678815456356 = 1863257^2 + 5261066^2 .
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 31150542104405 - 218 = 31150541842261 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3324492872 + ... + 3324502241.
It is an arithmetic number, because the mean of its divisors is an integer number (4677568062699).
Almost surely, 231150542104405 is an apocalyptic number.
It is an amenable number.
31150542104405 is a deficient number, since it is larger than the sum of its proper divisors (6270002397187).
31150542104405 is an equidigital number, since it uses as much as digits as its factorization.
31150542104405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6648996055.
The product of its (nonzero) digits is 48000, while the sum is 35.
Adding to 31150542104405 its reverse (50440124505113), we get a palindrome (81590666609518).
The spelling of 31150542104405 in words is "thirty-one trillion, one hundred fifty billion, five hundred forty-two million, one hundred four thousand, four hundred five".
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