Base | Representation |
---|---|
bin | 10110101110101110… |
… | …10000100001100111 |
3 | 1011111110100101111001 |
4 | 23113113100201213 |
5 | 144443000224111 |
6 | 5334523254131 |
7 | 611255630215 |
oct | 132727204147 |
9 | 34443311431 |
10 | 12203133031 |
11 | 51a2394511 |
12 | 244697a347 |
13 | 11c6277b9b |
14 | 83a9b7cb5 |
15 | 4b64e81c1 |
hex | 2d75d0867 |
12203133031 has 4 divisors (see below), whose sum is σ = 12500770464. Its totient is φ = 11905495600.
The previous prime is 12203133011. The next prime is 12203133049. The reversal of 12203133031 is 13033130221.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12203133031 is a prime.
It is a super-2 number, since 2×122031330312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12203133011) 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, 148818655 + ... + 148818736.
It is an arithmetic number, because the mean of its divisors is an integer number (3125192616).
Almost surely, 212203133031 is an apocalyptic number.
12203133031 is a deficient number, since it is larger than the sum of its proper divisors (297637433).
12203133031 is an equidigital number, since it uses as much as digits as its factorization.
12203133031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 297637432.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 12203133031 its reverse (13033130221), we get a palindrome (25236263252).
The spelling of 12203133031 in words is "twelve billion, two hundred three million, one hundred thirty-three thousand, thirty-one".
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