Base | Representation |
---|---|
bin | 1001000101001010110… |
… | …11010000111011111101 |
3 | 1002211100201120100022011 |
4 | 10202211123100323331 |
5 | 20103000314030323 |
6 | 355200430051221 |
7 | 31353655010650 |
oct | 4424533207375 |
9 | 1084321510264 |
10 | 312013033213 |
11 | 11036224aa22 |
12 | 50578649b11 |
13 | 235658a779b |
14 | 1115c793897 |
15 | 81b215620d |
hex | 48a56d0efd |
312013033213 has 8 divisors (see below), whose sum is σ = 356604368832. Its totient is φ = 267426208896.
The previous prime is 312013033207. The next prime is 312013033217. The reversal of 312013033213 is 312330310213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 312013033213 - 217 = 312012902141 is a prime.
It is a super-2 number, since 2×3120130332132 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312013033217) 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, 978295 + ... + 1257412.
It is an arithmetic number, because the mean of its divisors is an integer number (44575546104).
Almost surely, 2312013033213 is an apocalyptic number.
It is an amenable number.
312013033213 is a deficient number, since it is larger than the sum of its proper divisors (44591335619).
312013033213 is a wasteful number, since it uses less digits than its factorization.
312013033213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2255651.
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 312013033213 its reverse (312330310213), we get a palindrome (624343343426).
The spelling of 312013033213 in words is "three hundred twelve billion, thirteen million, thirty-three thousand, two hundred thirteen".
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