Base | Representation |
---|---|
bin | 10000010111010… |
… | …11110101010101 |
3 | 100120022120221001 |
4 | 20023223311111 |
5 | 240120441403 |
6 | 21342223301 |
7 | 3254603503 |
oct | 1013536525 |
9 | 316276831 |
10 | 137280853 |
11 | 70545156 |
12 | 39b84b31 |
13 | 22597798 |
14 | 14337673 |
15 | c0bac1d |
hex | 82ebd55 |
137280853 has 2 divisors, whose sum is σ = 137280854. Its totient is φ = 137280852.
The previous prime is 137280851. The next prime is 137280877. The reversal of 137280853 is 358082731.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 134397649 + 2883204 = 11593^2 + 1698^2 .
It is an emirp because it is prime and its reverse (358082731) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 137280853 - 21 = 137280851 is a prime.
Together with 137280851, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (137280851) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68640426 + 68640427.
It is an arithmetic number, because the mean of its divisors is an integer number (68640427).
Almost surely, 2137280853 is an apocalyptic number.
It is an amenable number.
137280853 is a deficient number, since it is larger than the sum of its proper divisors (1).
137280853 is an equidigital number, since it uses as much as digits as its factorization.
137280853 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 40320, while the sum is 37.
The square root of 137280853 is about 11716.6912138197. The cubic root of 137280853 is about 515.8657045398.
The spelling of 137280853 in words is "one hundred thirty-seven million, two hundred eighty thousand, eight hundred fifty-three".
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