Base | Representation |
---|---|
bin | 10000011100101… |
… | …11010001010101 |
3 | 100121122021011202 |
4 | 20032113101111 |
5 | 240310424221 |
6 | 21405242245 |
7 | 3263556656 |
oct | 1016272125 |
9 | 317567152 |
10 | 137983061 |
11 | 70984797 |
12 | 3a263385 |
13 | 227822a8 |
14 | 1447b52d |
15 | c1a8d0b |
hex | 8397455 |
137983061 has 4 divisors (see below), whose sum is σ = 138862092. Its totient is φ = 137104032.
The previous prime is 137983039. The next prime is 137983063. The reversal of 137983061 is 160389731.
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 88548100 + 49434961 = 9410^2 + 7031^2 .
It is a cyclic number.
It is not a de Polignac number, because 137983061 - 218 = 137720917 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (137983063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439280 + ... + 439593.
It is an arithmetic number, because the mean of its divisors is an integer number (34715523).
Almost surely, 2137983061 is an apocalyptic number.
It is an amenable number.
137983061 is a deficient number, since it is larger than the sum of its proper divisors (879031).
137983061 is an equidigital number, since it uses as much as digits as its factorization.
137983061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 879030.
The product of its (nonzero) digits is 27216, while the sum is 38.
The square root of 137983061 is about 11746.6191306265. The cubic root of 137983061 is about 516.7437806971.
The spelling of 137983061 in words is "one hundred thirty-seven million, nine hundred eighty-three thousand, sixty-one".
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