Base | Representation |
---|---|
bin | 10010110100001010… |
… | …01000111001101101 |
3 | 222001222020201020120 |
4 | 21122011020321231 |
5 | 131141403344323 |
6 | 4350200235153 |
7 | 505214022453 |
oct | 113205107155 |
9 | 28058221216 |
10 | 10101231213 |
11 | 4313977577 |
12 | 1b5aa6bab9 |
13 | c4c9724b8 |
14 | 6bb7949d3 |
15 | 3e1c075e3 |
hex | 25a148e6d |
10101231213 has 16 divisors (see below), whose sum is σ = 14169696576. Its totient is φ = 6392338560.
The previous prime is 10101231097. The next prime is 10101231227. The reversal of 10101231213 is 31213210101.
It is a happy number.
It is not a de Polignac number, because 10101231213 - 210 = 10101230189 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 10101231192 and 10101231201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10101231253) 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, 1105231 + ... + 1114332.
It is an arithmetic number, because the mean of its divisors is an integer number (885606036).
Almost surely, 210101231213 is an apocalyptic number.
It is an amenable number.
10101231213 is a deficient number, since it is larger than the sum of its proper divisors (4068465363).
10101231213 is a wasteful number, since it uses less digits than its factorization.
10101231213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2219644.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 10101231213 its reverse (31213210101), we get a palindrome (41314441314).
The spelling of 10101231213 in words is "ten billion, one hundred one million, two hundred thirty-one thousand, two hundred thirteen".
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