Base | Representation |
---|---|
bin | 11101010010001101… |
… | …110101100110111010 |
3 | 10000011101200022122002 |
4 | 131102031311212322 |
5 | 1003344144131414 |
6 | 22240100501002 |
7 | 2162133461036 |
oct | 352215654672 |
9 | 100141608562 |
10 | 31444130234 |
11 | 123764344a0 |
12 | 61166aa762 |
13 | 2c7162532a |
14 | 17441671c6 |
15 | c407d94de |
hex | 7523759ba |
31444130234 has 8 divisors (see below), whose sum is σ = 51454031328. Its totient is φ = 14292786460.
The previous prime is 31444130213. The next prime is 31444130293. The reversal of 31444130234 is 43203144413.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 31444130197 and 31444130206.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714639302 + ... + 714639345.
It is an arithmetic number, because the mean of its divisors is an integer number (6431753916).
Almost surely, 231444130234 is an apocalyptic number.
31444130234 is a deficient number, since it is larger than the sum of its proper divisors (20009901094).
31444130234 is a wasteful number, since it uses less digits than its factorization.
31444130234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1429278660.
The product of its (nonzero) digits is 13824, while the sum is 29.
Adding to 31444130234 its reverse (43203144413), we get a palindrome (74647274647).
The spelling of 31444130234 in words is "thirty-one billion, four hundred forty-four million, one hundred thirty thousand, two hundred thirty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •