Base | Representation |
---|---|
bin | 11101110010011101100110… |
… | …110111110101000111101101 |
3 | 122011212112120202010221200200 |
4 | 131302131212313311013231 |
5 | 114132441230003411141 |
6 | 1142345401413544113 |
7 | 36411145343253015 |
oct | 3562354667650755 |
9 | 564775522127620 |
10 | 131011113341421 |
11 | 38820557035005 |
12 | 1283a9b8945039 |
13 | 58143ab0b05a1 |
14 | 244cd8657ac45 |
15 | 1022d767dbab6 |
hex | 772766df51ed |
131011113341421 has 6 divisors (see below), whose sum is σ = 189238274826510. Its totient is φ = 87340742227608.
The previous prime is 131011113341399. The next prime is 131011113341443. The reversal of 131011113341421 is 124143311110131.
131011113341421 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 111 + 133 + 414 + 2 + 1 = 666.
It is an interprime number because it is at equal distance from previous prime (131011113341399) and next prime (131011113341443).
It can be written as a sum of positive squares in only one way, i.e., 79010587664100 + 52000525677321 = 8888790^2 + 7211139^2 .
It is not a de Polignac number, because 131011113341421 - 210 = 131011113340397 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131011113341821) 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, 7278395185626 + ... + 7278395185643.
It is an arithmetic number, because the mean of its divisors is an integer number (31539712471085).
Almost surely, 2131011113341421 is an apocalyptic number.
It is an amenable number.
131011113341421 is a deficient number, since it is larger than the sum of its proper divisors (58227161485089).
131011113341421 is a wasteful number, since it uses less digits than its factorization.
131011113341421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14556790371275 (or 14556790371272 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 27.
Adding to 131011113341421 its reverse (124143311110131), we get a palindrome (255154424451552).
The spelling of 131011113341421 in words is "one hundred thirty-one trillion, eleven billion, one hundred thirteen million, three hundred forty-one thousand, four hundred twenty-one".
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