Base | Representation |
---|---|
bin | 10010110110011011… |
… | …11110000010011111 |
3 | 222010022011200120100 |
4 | 21123031332002133 |
5 | 131211300320411 |
6 | 4352121352143 |
7 | 505535220354 |
oct | 113315760237 |
9 | 28108150510 |
10 | 10120323231 |
11 | 43237276a7 |
12 | 1b65338653 |
13 | c538c8555 |
14 | 6c012462b |
15 | 3e3729456 |
hex | 25b37e09f |
10120323231 has 12 divisors (see below), whose sum is σ = 14620279752. Its totient is φ = 6745942896.
The previous prime is 10120323221. The next prime is 10120323247. The reversal of 10120323231 is 13232302101.
It is not a de Polignac number, because 10120323231 - 225 = 10086768799 is a prime.
It is a super-2 number, since 2×101203232312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10120323211) 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, 6576 + ... + 142421.
It is an arithmetic number, because the mean of its divisors is an integer number (1218356646).
Almost surely, 210120323231 is an apocalyptic number.
10120323231 is a deficient number, since it is larger than the sum of its proper divisors (4499956521).
10120323231 is a wasteful number, since it uses less digits than its factorization.
10120323231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156550 (or 156547 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 10120323231 its reverse (13232302101), we get a palindrome (23352625332).
The spelling of 10120323231 in words is "ten billion, one hundred twenty million, three hundred twenty-three thousand, two hundred thirty-one".
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