Base | Representation |
---|---|
bin | 110000010001011001000111… |
… | …011000011010011001111111 |
3 | 1000211200211002202100200221101 |
4 | 300101121013120122121333 |
5 | 210311321312320220411 |
6 | 2031305533032313531 |
7 | 62501162241625114 |
oct | 6021310730323177 |
9 | 1024624082320841 |
10 | 212301431023231 |
11 | 61711593142380 |
12 | 1b9895338428a7 |
13 | 915cc290cb774 |
14 | 3a5d63081090b |
15 | 19826aa0e08c1 |
hex | c1164761a67f |
212301431023231 has 16 divisors (see below), whose sum is σ = 231737685101568. Its totient is φ = 192887879184000.
The previous prime is 212301431023211. The next prime is 212301431023237. The reversal of 212301431023231 is 132320134103212.
212301431023231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 212301431023231 - 215 = 212301430990463 is a prime.
It is a super-2 number, since 2×2123014310232312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 212301431023231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212301431023237) 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, 290495980 + ... + 291225886.
It is an arithmetic number, because the mean of its divisors is an integer number (14483605318848).
Almost surely, 2212301431023231 is an apocalyptic number.
212301431023231 is a deficient number, since it is larger than the sum of its proper divisors (19436254078337).
212301431023231 is a wasteful number, since it uses less digits than its factorization.
212301431023231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 745422.
The product of its (nonzero) digits is 5184, while the sum is 28.
Adding to 212301431023231 its reverse (132320134103212), we get a palindrome (344621565126443).
The spelling of 212301431023231 in words is "two hundred twelve trillion, three hundred one billion, four hundred thirty-one million, twenty-three thousand, two hundred thirty-one".
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