Base | Representation |
---|---|
bin | 10110101111111010… |
… | …00001000100100001 |
3 | 1011112010222021012221 |
4 | 23113331001010201 |
5 | 200003013444301 |
6 | 5335515351041 |
7 | 611436023650 |
oct | 132775010441 |
9 | 34463867187 |
10 | 12213031201 |
11 | 51a7a35118 |
12 | 244a152481 |
13 | 11c83322a7 |
14 | 83c033197 |
15 | 4b7300da1 |
hex | 2d7f41121 |
12213031201 has 16 divisors (see below), whose sum is σ = 14112034560. Its totient is φ = 10352836800.
The previous prime is 12213031189. The next prime is 12213031213. The reversal of 12213031201 is 10213031221.
It is an interprime number because it is at equal distance from previous prime (12213031189) and next prime (12213031213).
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12213031201 is a prime.
It is a super-2 number, since 2×122130312012 (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 (12213031241) 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, 640335 + ... + 659131.
It is an arithmetic number, because the mean of its divisors is an integer number (882002160).
Almost surely, 212213031201 is an apocalyptic number.
It is an amenable number.
12213031201 is a deficient number, since it is larger than the sum of its proper divisors (1899003359).
12213031201 is a wasteful number, since it uses less digits than its factorization.
12213031201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19824.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 12213031201 its reverse (10213031221), we get a palindrome (22426062422).
The spelling of 12213031201 in words is "twelve billion, two hundred thirteen million, thirty-one thousand, two hundred one".
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