Base | Representation |
---|---|
bin | 1011000010000100100011… |
… | …1010101111001110001111 |
3 | 1120221122012021001022200200 |
4 | 2300201020322233032033 |
5 | 3042220133004014411 |
6 | 41444313023424543 |
7 | 2361243636163551 |
oct | 260411072571617 |
9 | 46848167038620 |
10 | 12130211001231 |
11 | 3957436970314 |
12 | 143aabb155153 |
13 | 69cb49200bcb |
14 | 2dd1690d14d1 |
15 | 160804562e56 |
hex | b0848eaf38f |
12130211001231 has 6 divisors (see below), whose sum is σ = 17521415890680. Its totient is φ = 8086807334148.
The previous prime is 12130211001211. The next prime is 12130211001247. The reversal of 12130211001231 is 13210011203121.
12130211001231 is a `hidden beast` number, since 1 + 21 + 302 + 110 + 0 + 1 + 231 = 666.
12130211001231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12130211001231 - 225 = 12130177446799 is a prime.
It is a super-2 number, since 2×121302110012312 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12130211001211) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 673900611171 + ... + 673900611188.
It is an arithmetic number, because the mean of its divisors is an integer number (2920235981780).
Almost surely, 212130211001231 is an apocalyptic number.
12130211001231 is a deficient number, since it is larger than the sum of its proper divisors (5391204889449).
12130211001231 is a wasteful number, since it uses less digits than its factorization.
12130211001231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1347801222365 (or 1347801222362 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
Adding to 12130211001231 its reverse (13210011203121), we get a palindrome (25340222204352).
The spelling of 12130211001231 in words is "twelve trillion, one hundred thirty billion, two hundred eleven million, one thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •