Base | Representation |
---|---|
bin | 10000101001110… |
… | …01001110000111 |
3 | 100201212020111021 |
4 | 20110321032013 |
5 | 241230214413 |
6 | 21510052011 |
7 | 3314250001 |
oct | 1024711607 |
9 | 321766437 |
10 | 139694983 |
11 | 719439aa |
12 | 3a94a007 |
13 | 22c3156c |
14 | 147a5371 |
15 | c3e618d |
hex | 8539387 |
139694983 has 2 divisors, whose sum is σ = 139694984. Its totient is φ = 139694982.
The previous prime is 139694977. The next prime is 139694987. The reversal of 139694983 is 389496931.
It is a strong prime.
It is an emirp because it is prime and its reverse (389496931) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-139694983 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 139694983.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (139694987) 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 as a sum of consecutive naturals, namely, 69847491 + 69847492.
It is an arithmetic number, because the mean of its divisors is an integer number (69847492).
Almost surely, 2139694983 is an apocalyptic number.
139694983 is a deficient number, since it is larger than the sum of its proper divisors (1).
139694983 is an equidigital number, since it uses as much as digits as its factorization.
139694983 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1259712, while the sum is 52.
The square root of 139694983 is about 11819.2632173076. The cubic root of 139694983 is about 518.8720410014.
The spelling of 139694983 in words is "one hundred thirty-nine million, six hundred ninety-four thousand, nine hundred eighty-three".
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