Base | Representation |
---|---|
bin | 10000011001011111001011… |
… | …000001011010101001111111 |
3 | 100110100121211212202120102121 |
4 | 100121133023001122221333 |
5 | 33423104133203411221 |
6 | 413215321410503411 |
7 | 21122340560264434 |
oct | 2031371301325177 |
9 | 313317755676377 |
10 | 72120202013311 |
11 | 20a86007959681 |
12 | 8109465894b67 |
13 | 3131ba1265c2a |
14 | 13b48ca405b8b |
15 | 85102a57ea41 |
hex | 4197cb05aa7f |
72120202013311 has 2 divisors, whose sum is σ = 72120202013312. Its totient is φ = 72120202013310.
The previous prime is 72120202013273. The next prime is 72120202013341. The reversal of 72120202013311 is 11331020202127.
It is a strong prime.
It is an emirp because it is prime and its reverse (11331020202127) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 72120202013311 - 29 = 72120202012799 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (72120202013341) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36060101006655 + 36060101006656.
It is an arithmetic number, because the mean of its divisors is an integer number (36060101006656).
Almost surely, 272120202013311 is an apocalyptic number.
72120202013311 is a deficient number, since it is larger than the sum of its proper divisors (1).
72120202013311 is an equidigital number, since it uses as much as digits as its factorization.
72120202013311 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1008, while the sum is 25.
Adding to 72120202013311 its reverse (11331020202127), we get a palindrome (83451222215438).
The spelling of 72120202013311 in words is "seventy-two trillion, one hundred twenty billion, two hundred two million, thirteen thousand, three hundred eleven".
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