Base | Representation |
---|---|
bin | 1011001100100110100010… |
… | …0010110000011100000101 |
3 | 1121120221011211110111012101 |
4 | 2303021220202300130011 |
5 | 3103201143313241401 |
6 | 42103353302152101 |
7 | 2410310166124000 |
oct | 263115042603405 |
9 | 47527154414171 |
10 | 12311130212101 |
11 | 3a171370661a6 |
12 | 1469b90722631 |
13 | 6b3c1c406cc6 |
14 | 307c0d008537 |
15 | 1653927e0101 |
hex | b32688b0705 |
12311130212101 has 16 divisors (see below), whose sum is σ = 14662471334400. Its totient is φ = 10327878219120.
The previous prime is 12311130212089. The next prime is 12311130212131. The reversal of 12311130212101 is 10121203111321.
It is not a de Polignac number, because 12311130212101 - 213 = 12311130203909 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12311130212131) 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, 381819070 + ... + 381851311.
It is an arithmetic number, because the mean of its divisors is an integer number (916404458400).
Almost surely, 212311130212101 is an apocalyptic number.
It is an amenable number.
12311130212101 is a deficient number, since it is larger than the sum of its proper divisors (2351341122299).
12311130212101 is an frugal number, since it uses more digits than its factorization.
12311130212101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 763670449 (or 763670435 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 19.
Adding to 12311130212101 its reverse (10121203111321), we get a palindrome (22432333323422).
The spelling of 12311130212101 in words is "twelve trillion, three hundred eleven billion, one hundred thirty million, two hundred twelve thousand, one hundred one".
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