Base | Representation |
---|---|
bin | 1110001100011101011011… |
… | …10111110110111001111101 |
3 | 11002112001221022011111202202 |
4 | 13012032231313312321331 |
5 | 13042404140234104323 |
6 | 150215415014201245 |
7 | 6401112013665605 |
oct | 706165567667175 |
9 | 132461838144682 |
10 | 31214444441213 |
11 | 9a44a76145670 |
12 | 360169a353225 |
13 | 1455681437597 |
14 | 79cb03dddc05 |
15 | 391e5cb38d28 |
hex | 1c63addf6e7d |
31214444441213 has 8 divisors (see below), whose sum is σ = 34052179545216. Its totient is φ = 28376719060000.
The previous prime is 31214444441207. The next prime is 31214444441221.
31214444441213 is nontrivially palindromic in base 10.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31214444441213 - 28 = 31214444440957 is a prime.
It is a super-2 number, since 2×312144444412132 (a number of 28 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 (31214444441513) 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, 5370713 + ... + 9553713.
It is an arithmetic number, because the mean of its divisors is an integer number (4256522443152).
Almost surely, 231214444441213 is an apocalyptic number.
It is an amenable number.
31214444441213 is a deficient number, since it is larger than the sum of its proper divisors (2837735104003).
31214444441213 is a wasteful number, since it uses less digits than its factorization.
31214444441213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4861395.
The product of its digits is 147456, while the sum is 38.
It can be divided in two parts, 3121444 and 4441213, that added together give a palindrome (7562657).
The spelling of 31214444441213 in words is "thirty-one trillion, two hundred fourteen billion, four hundred forty-four million, four hundred forty-one thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •