Base | Representation |
---|---|
bin | 1110010101001011011111… |
… | …11101111010100000001101 |
3 | 11010120201021120120022111211 |
4 | 13022211233331322200031 |
5 | 13112311240202132031 |
6 | 151005204545214421 |
7 | 6431546424264046 |
oct | 712455775724015 |
9 | 133521246508454 |
10 | 31514053552141 |
11 | a05004272a146 |
12 | 364b774931411 |
13 | 14779bb294884 |
14 | 7ad40726d8cd |
15 | 399b45d33bb1 |
hex | 1ca96ff7a80d |
31514053552141 has 4 divisors (see below), whose sum is σ = 31524886849500. Its totient is φ = 31503220254784.
The previous prime is 31514053552117. The next prime is 31514053552193. The reversal of 31514053552141 is 14125535041513.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 13123078611241 + 18390974940900 = 3622579^2 + 4288470^2 .
It is a cyclic number.
It is not a de Polignac number, because 31514053552141 - 25 = 31514053552109 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31514053552094 and 31514053552103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31514053553141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5416644316 + ... + 5416650133.
It is an arithmetic number, because the mean of its divisors is an integer number (7881221712375).
Almost surely, 231514053552141 is an apocalyptic number.
It is an amenable number.
31514053552141 is a deficient number, since it is larger than the sum of its proper divisors (10833297359).
31514053552141 is a wasteful number, since it uses less digits than its factorization.
31514053552141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10833297358.
The product of its (nonzero) digits is 180000, while the sum is 40.
Adding to 31514053552141 its reverse (14125535041513), we get a palindrome (45639588593654).
The spelling of 31514053552141 in words is "thirty-one trillion, five hundred fourteen billion, fifty-three million, five hundred fifty-two thousand, one hundred forty-one".
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