Base | Representation |
---|---|
bin | 1101011101000010001… |
… | …1000100100000001111 |
3 | 211002120222212022001202 |
4 | 3113100203010200033 |
5 | 12241324310333403 |
6 | 254103003300115 |
7 | 22461445420322 |
oct | 3272043044017 |
9 | 732528768052 |
10 | 231132121103 |
11 | 8a028069604 |
12 | 3896581a63b |
13 | 18a46100500 |
14 | b288a2a7b9 |
15 | 602b67b688 |
hex | 35d08c480f |
231132121103 has 12 divisors (see below), whose sum is σ = 250292697048. Its totient is φ = 213341188320.
The previous prime is 231132121093. The next prime is 231132121127. The reversal of 231132121103 is 301121231132.
It is a happy number.
It is not a de Polignac number, because 231132121103 - 214 = 231132104719 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231132121403) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6161801 + ... + 6199197.
It is an arithmetic number, because the mean of its divisors is an integer number (20857724754).
Almost surely, 2231132121103 is an apocalyptic number.
231132121103 is a deficient number, since it is larger than the sum of its proper divisors (19160575945).
231132121103 is a wasteful number, since it uses less digits than its factorization.
231132121103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73994 (or 73981 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 231132121103 its reverse (301121231132), we get a palindrome (532253352235).
The spelling of 231132121103 in words is "two hundred thirty-one billion, one hundred thirty-two million, one hundred twenty-one thousand, one hundred three".
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