Base | Representation |
---|---|
bin | 101101011010110110110… |
… | …011100000011010010110 |
3 | 102001101101201022110100211 |
4 | 231122312303200122112 |
5 | 402114221040243220 |
6 | 10345510543200034 |
7 | 441333400363444 |
oct | 55326663403226 |
9 | 12041351273324 |
10 | 3121213212310 |
11 | aa37765411a6 |
12 | 424ab3ba601a |
13 | 19843818647b |
14 | ab0d340bb94 |
15 | 562cae94b5a |
hex | 2d6b6ce0696 |
3121213212310 has 16 divisors (see below), whose sum is σ = 5710285156752. Its totient is φ = 1228018312800.
The previous prime is 3121213212253. The next prime is 3121213212317. The reversal of 3121213212310 is 132123121213.
It is a super-2 number, since 2×31212132123102 (a number of 26 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3121213212317) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2558370876 + ... + 2558372095.
It is an arithmetic number, because the mean of its divisors is an integer number (356892822297).
Almost surely, 23121213212310 is an apocalyptic number.
3121213212310 is a deficient number, since it is larger than the sum of its proper divisors (2589071944442).
3121213212310 is a wasteful number, since it uses less digits than its factorization.
3121213212310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5116743039.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 3121213212310 its reverse (132123121213), we get a palindrome (3253336333523).
The spelling of 3121213212310 in words is "three trillion, one hundred twenty-one billion, two hundred thirteen million, two hundred twelve thousand, three hundred ten".
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