Base | Representation |
---|---|
bin | 10110100010101011… |
… | …00011001111010101 |
3 | 1011020102002102100210 |
4 | 23101111203033111 |
5 | 144241104201401 |
6 | 5320512200033 |
7 | 605620330161 |
oct | 132125431725 |
9 | 34212072323 |
10 | 12102022101 |
11 | 5150304364 |
12 | 2418b39019 |
13 | 11ab335830 |
14 | 82b3b7ca1 |
15 | 4ac6c44d6 |
hex | 2d15633d5 |
12102022101 has 48 divisors (see below), whose sum is σ = 18644105088. Its totient is φ = 6939264000.
The previous prime is 12102022081. The next prime is 12102022109. The reversal of 12102022101 is 10122020121.
It is not a de Polignac number, because 12102022101 - 27 = 12102021973 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12102022109) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1133056 + ... + 1143686.
It is an arithmetic number, because the mean of its divisors is an integer number (388418856).
Almost surely, 212102022101 is an apocalyptic number.
It is an amenable number.
12102022101 is a deficient number, since it is larger than the sum of its proper divisors (6542082987).
12102022101 is a wasteful number, since it uses less digits than its factorization.
12102022101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10782 (or 10765 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 12102022101 its reverse (10122020121), we get a palindrome (22224042222).
The spelling of 12102022101 in words is "twelve billion, one hundred two million, twenty-two thousand, one hundred one".
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