Base | Representation |
---|---|
bin | 1011000010000111111111… |
… | …1001001001011001001111 |
3 | 1120221201120112120112022100 |
4 | 2300201333321021121033 |
5 | 3042224030113043043 |
6 | 41444544332250143 |
7 | 2361305535643650 |
oct | 260417771113117 |
9 | 46851515515270 |
10 | 12131133331023 |
11 | 395786a564343 |
12 | 143b118010953 |
13 | 69cc65315295 |
14 | 2dd2157c1527 |
15 | 16085a500cd3 |
hex | b087fe4964f |
12131133331023 has 48 divisors (see below), whose sum is σ = 20565078782976. Its totient is φ = 6747101012160.
The previous prime is 12131133331003. The next prime is 12131133331043. The reversal of 12131133331023 is 32013333113121.
12131133331023 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 11 + 333 + 310 + 2 + 3 = 666.
It is an interprime number because it is at equal distance from previous prime (12131133331003) and next prime (12131133331043).
It is not a de Polignac number, because 12131133331023 - 224 = 12131116553807 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12131133331003) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10781661 + ... + 11853542.
It is an arithmetic number, because the mean of its divisors is an integer number (428439141312).
Almost surely, 212131133331023 is an apocalyptic number.
12131133331023 is a deficient number, since it is larger than the sum of its proper divisors (8433945451953).
12131133331023 is a wasteful number, since it uses less digits than its factorization.
12131133331023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22635444 (or 22635441 counting only the distinct ones).
The product of its (nonzero) digits is 2916, while the sum is 27.
Adding to 12131133331023 its reverse (32013333113121), we get a palindrome (44144466444144).
The spelling of 12131133331023 in words is "twelve trillion, one hundred thirty-one billion, one hundred thirty-three million, three hundred thirty-one thousand, twenty-three".
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