Base | Representation |
---|---|
bin | 11101110010011101100110… |
… | …110110111010011110011011 |
3 | 122011212112120201200202012000 |
4 | 131302131212312322132123 |
5 | 114132441224423214321 |
6 | 1142345401404452043 |
7 | 36411145341232500 |
oct | 3562354666723633 |
9 | 564775521622160 |
10 | 131011113101211 |
11 | 38820556990592 |
12 | 1283a9b884a023 |
13 | 58143ab028155 |
14 | 244cd865174a7 |
15 | 1022d76790826 |
hex | 772766dba79b |
131011113101211 has 48 divisors (see below), whose sum is σ = 237661883222400. Its totient is φ = 70923309334416.
The previous prime is 131011113101159. The next prime is 131011113101237. The reversal of 131011113101211 is 112101311110131.
It is a happy number.
131011113101211 is a `hidden beast` number, since 1 + 31 + 0 + 1 + 111 + 310 + 1 + 211 = 666.
It is not a de Polignac number, because 131011113101211 - 210 = 131011113100187 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131011113101291) 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, 2605916565 + ... + 2605966838.
It is an arithmetic number, because the mean of its divisors is an integer number (4951289233800).
Almost surely, 2131011113101211 is an apocalyptic number.
131011113101211 is a deficient number, since it is larger than the sum of its proper divisors (106650770121189).
131011113101211 is a wasteful number, since it uses less digits than its factorization.
131011113101211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5211883445 (or 5211883432 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 18.
Adding to 131011113101211 its reverse (112101311110131), we get a palindrome (243112424211342).
The spelling of 131011113101211 in words is "one hundred thirty-one trillion, eleven billion, one hundred thirteen million, one hundred one thousand, two hundred eleven".
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