Base | Representation |
---|---|
bin | 110100001010011101… |
… | …1001100110111101111 |
3 | 101201010212210102221100 |
4 | 1220110323030313233 |
5 | 3313404133310411 |
6 | 123243353534143 |
7 | 11043652046643 |
oct | 1502473146757 |
9 | 351125712840 |
10 | 112020213231 |
11 | 43564543223 |
12 | 19863414353 |
13 | a742c00754 |
14 | 55c9620c23 |
15 | 2da964e456 |
hex | 1a14eccdef |
112020213231 has 24 divisors (see below), whose sum is σ = 162123305760. Its totient is φ = 74534256576.
The previous prime is 112020213229. The next prime is 112020213313. The reversal of 112020213231 is 132312020211.
It is not a de Polignac number, because 112020213231 - 21 = 112020213229 is a prime.
It is a super-2 number, since 2×1120202132312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (112020213211) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21097405 + ... + 21102713.
It is an arithmetic number, because the mean of its divisors is an integer number (6755137740).
Almost surely, 2112020213231 is an apocalyptic number.
112020213231 is a deficient number, since it is larger than the sum of its proper divisors (50103092529).
112020213231 is a wasteful number, since it uses less digits than its factorization.
112020213231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9455 (or 9452 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 112020213231 its reverse (132312020211), we get a palindrome (244332233442).
The spelling of 112020213231 in words is "one hundred twelve billion, twenty million, two hundred thirteen thousand, two hundred thirty-one".
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