Base | Representation |
---|---|
bin | 10001100111000110101… |
… | …110111110001001100011 |
3 | 11021200210022110112000021 |
4 | 101213012232332021203 |
5 | 124312012310342011 |
6 | 2323544542534311 |
7 | 153302244241534 |
oct | 21470656761143 |
9 | 4250708415007 |
10 | 1210220012131 |
11 | 427284712509 |
12 | 176670297397 |
13 | 8a17aa48270 |
14 | 4280999c68b |
15 | 21732057471 |
hex | 119c6bbe263 |
1210220012131 has 8 divisors (see below), whose sum is σ = 1359979679520. Its totient is φ = 1068555461952.
The previous prime is 1210220012081. The next prime is 1210220012203. The reversal of 1210220012131 is 1312100220121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1210220012131 - 219 = 1210219487843 is a prime.
It is a super-2 number, since 2×12102200121312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1210220012231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2023778986 + ... + 2023779583.
It is an arithmetic number, because the mean of its divisors is an integer number (169997459940).
Almost surely, 21210220012131 is an apocalyptic number.
1210220012131 is a deficient number, since it is larger than the sum of its proper divisors (149759667389).
1210220012131 is a wasteful number, since it uses less digits than its factorization.
1210220012131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4047558605.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 1210220012131 its reverse (1312100220121), we get a palindrome (2522320232252).
The spelling of 1210220012131 in words is "one trillion, two hundred ten billion, two hundred twenty million, twelve thousand, one hundred thirty-one".
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