Base | Representation |
---|---|
bin | 1001000001111111111… |
… | …11010101010001100100 |
3 | 1002122222010021212122202 |
4 | 10200333333111101210 |
5 | 20041004132242012 |
6 | 354315514114032 |
7 | 31263541532315 |
oct | 4407777252144 |
9 | 1078863255582 |
10 | 310311212132 |
11 | 10a669653619 |
12 | 5018271b918 |
13 | 2335414136c |
14 | 1103a75660c |
15 | 8112a42cc2 |
hex | 483ffd5464 |
310311212132 has 12 divisors (see below), whose sum is σ = 543101724396. Its totient is φ = 155139290880.
The previous prime is 310311212063. The next prime is 310311212153. The reversal of 310311212132 is 231212113013.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 250474224676 + 59836987456 = 500474^2 + 244616^2 .
It is a super-2 number, since 2×3103112121322 (a number of 24 digits) contains 22 as substring.
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, 4035953 + ... + 4112120.
It is an arithmetic number, because the mean of its divisors is an integer number (45258477033).
Almost surely, 2310311212132 is an apocalyptic number.
It is an amenable number.
310311212132 is a deficient number, since it is larger than the sum of its proper divisors (232790512264).
310311212132 is a wasteful number, since it uses less digits than its factorization.
310311212132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8157598 (or 8157596 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 310311212132 its reverse (231212113013), we get a palindrome (541523325145).
The spelling of 310311212132 in words is "three hundred ten billion, three hundred eleven million, two hundred twelve thousand, one hundred thirty-two".
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