Base | Representation |
---|---|
bin | 10110101110100111… |
… | …10010111111000001 |
3 | 1011111101122021201112 |
4 | 23113103302333001 |
5 | 144442232204401 |
6 | 5334452013105 |
7 | 611245130516 |
oct | 132723627701 |
9 | 34441567645 |
10 | 12202225601 |
11 | 51a1924775 |
12 | 2446601195 |
13 | 11c601ab47 |
14 | 83a81d30d |
15 | 4b63b93bb |
hex | 2d74f2fc1 |
12202225601 has 4 divisors (see below), whose sum is σ = 12229402500. Its totient is φ = 12175048704.
The previous prime is 12202225579. The next prime is 12202225603. The reversal of 12202225601 is 10652220221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10652220221 = 61 ⋅174626561.
It can be written as a sum of positive squares in 2 ways, for example, as 2797881025 + 9404344576 = 52895^2 + 96976^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12202225601 is a prime.
It is a super-2 number, since 2×122022256012 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12202225603) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13587776 + ... + 13588673.
It is an arithmetic number, because the mean of its divisors is an integer number (3057350625).
Almost surely, 212202225601 is an apocalyptic number.
It is an amenable number.
12202225601 is a deficient number, since it is larger than the sum of its proper divisors (27176899).
12202225601 is an equidigital number, since it uses as much as digits as its factorization.
12202225601 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27176898.
The product of its (nonzero) digits is 960, while the sum is 23.
Adding to 12202225601 its reverse (10652220221), we get a palindrome (22854445822).
The spelling of 12202225601 in words is "twelve billion, two hundred two million, two hundred twenty-five thousand, six hundred one".
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