Base | Representation |
---|---|
bin | 1011000000011101000100… |
… | …1010011000000111111111 |
3 | 1120211222111022000102200221 |
4 | 2300013101022120013333 |
5 | 3041241240044444411 |
6 | 41423440332002211 |
7 | 2356241355633043 |
oct | 260072112300777 |
9 | 46758438012627 |
10 | 12102432031231 |
11 | 394668140aa73 |
12 | 1435648000367 |
13 | 69a340021659 |
14 | 2dba91a3a023 |
15 | 15ec2a90c071 |
hex | b01d12981ff |
12102432031231 has 16 divisors (see below), whose sum is σ = 12822167548800. Its totient is φ = 11383568293888.
The previous prime is 12102432031219. The next prime is 12102432031243. The reversal of 12102432031231 is 13213023420121.
It is an interprime number because it is at equal distance from previous prime (12102432031219) and next prime (12102432031243).
It is a cyclic number.
It is not a de Polignac number, because 12102432031231 - 231 = 12100284547583 is a prime.
It is a super-2 number, since 2×121024320312312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12102432031196 and 12102432031205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12102432031211) 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, 216516135 + ... + 216572023.
It is an arithmetic number, because the mean of its divisors is an integer number (801385471800).
Almost surely, 212102432031231 is an apocalyptic number.
12102432031231 is a deficient number, since it is larger than the sum of its proper divisors (719735517569).
12102432031231 is a wasteful number, since it uses less digits than its factorization.
12102432031231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63458.
The product of its (nonzero) digits is 1728, while the sum is 25.
Adding to 12102432031231 its reverse (13213023420121), we get a palindrome (25315455451352).
The spelling of 12102432031231 in words is "twelve trillion, one hundred two billion, four hundred thirty-two million, thirty-one thousand, two hundred thirty-one".
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