Base | Representation |
---|---|
bin | 10110111110000000… |
… | …10010111011011100 |
3 | 1011211101120112102210 |
4 | 23133000102323130 |
5 | 200223310100132 |
6 | 5355343120420 |
7 | 614403405120 |
oct | 133700227334 |
9 | 34741515383 |
10 | 12331331292 |
11 | 5258795795 |
12 | 24818a3110 |
13 | 12169b2547 |
14 | 84da29580 |
15 | 4c28bcbcc |
hex | 2df012edc |
12331331292 has 48 divisors (see below), whose sum is σ = 33422638592. Its totient is φ = 3465478080.
The previous prime is 12331331291. The next prime is 12331331323. The reversal of 12331331292 is 29213313321.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12331331291) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1198168 + ... + 1208415.
Almost surely, 212331331292 is an apocalyptic number.
12331331292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12331331292 is an abundant number, since it is smaller than the sum of its proper divisors (21091307300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12331331292 is a wasteful number, since it uses less digits than its factorization.
12331331292 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2406658 (or 2406656 counting only the distinct ones).
The product of its digits is 5832, while the sum is 30.
The spelling of 12331331292 in words is "twelve billion, three hundred thirty-one million, three hundred thirty-one thousand, two hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •