Base | Representation |
---|---|
bin | 1011000010001000010010… |
… | …1110100100011110011101 |
3 | 1120221201210012012112000011 |
4 | 2300202010232210132131 |
5 | 3042224211344210240 |
6 | 41445000351003221 |
7 | 2361310542255145 |
oct | 260420456443635 |
9 | 46851705175004 |
10 | 12131214444445 |
11 | 3957901326028 |
12 | 143b13b209511 |
13 | 69cc790753a5 |
14 | 2dd222497925 |
15 | 1608626c46ea |
hex | b0884ba479d |
12131214444445 has 8 divisors (see below), whose sum is σ = 14557570524000. Its totient is φ = 9704896095120.
The previous prime is 12131214444439. The next prime is 12131214444467. The reversal of 12131214444445 is 54444441213121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12131214444445 - 25 = 12131214444413 is a prime.
It is a super-2 number, since 2×121312144444452 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12131214444398 and 12131214444407.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8720311 + ... + 10015300.
It is an arithmetic number, because the mean of its divisors is an integer number (1819696315500).
Almost surely, 212131214444445 is an apocalyptic number.
It is an amenable number.
12131214444445 is a deficient number, since it is larger than the sum of its proper divisors (2426356079555).
12131214444445 is a wasteful number, since it uses less digits than its factorization.
12131214444445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18865115.
The product of its digits is 245760, while the sum is 40.
Adding to 12131214444445 its reverse (54444441213121), we get a palindrome (66575655657566).
The spelling of 12131214444445 in words is "twelve trillion, one hundred thirty-one billion, two hundred fourteen million, four hundred forty-four thousand, four hundred forty-five".
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