Base | Representation |
---|---|
bin | 1011001011001101101100… |
… | …1110101010110010010011 |
3 | 1121111122121222120221001210 |
4 | 2302303123032222302103 |
5 | 3102303324314202011 |
6 | 42044411154231203 |
7 | 2405504236113663 |
oct | 262633316526223 |
9 | 47448558527053 |
10 | 12287284522131 |
11 | 3a0800a869403 |
12 | 1465436885503 |
13 | 6b18bc088598 |
14 | 3069ca09a1a3 |
15 | 1649491306a6 |
hex | b2cdb3aac93 |
12287284522131 has 8 divisors (see below), whose sum is σ = 16398035097040. Its totient is φ = 8184028480992.
The previous prime is 12287284522127. The next prime is 12287284522141. The reversal of 12287284522131 is 13122548278221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12287284522131 - 22 = 12287284522127 is a prime.
It is a super-2 number, since 2×122872845221312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12287284522141) 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, 1873629616 + ... + 1873636173.
It is an arithmetic number, because the mean of its divisors is an integer number (2049754387130).
Almost surely, 212287284522131 is an apocalyptic number.
12287284522131 is a deficient number, since it is larger than the sum of its proper divisors (4110750574909).
12287284522131 is a wasteful number, since it uses less digits than its factorization.
12287284522131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3747266885.
The product of its digits is 860160, while the sum is 48.
The spelling of 12287284522131 in words is "twelve trillion, two hundred eighty-seven billion, two hundred eighty-four million, five hundred twenty-two thousand, one hundred thirty-one".
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