Base | Representation |
---|---|
bin | 11011111011000101… |
… | …00001001111100101 |
3 | 1102200202101221020011 |
4 | 31331202201033211 |
5 | 221200210243244 |
6 | 10515315210221 |
7 | 1040331162334 |
oct | 157542411745 |
9 | 42622357204 |
10 | 14991102949 |
11 | 63a30a5589 |
12 | 2aa45a6971 |
13 | 154ba52524 |
14 | a22d89d1b |
15 | 5cb158434 |
hex | 37d8a13e5 |
14991102949 has 2 divisors, whose sum is σ = 14991102950. Its totient is φ = 14991102948.
The previous prime is 14991102899. The next prime is 14991102983. The reversal of 14991102949 is 94920119941.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 13109105025 + 1881997924 = 114495^2 + 43382^2 .
It is a cyclic number.
It is not a de Polignac number, because 14991102949 - 29 = 14991102437 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (14991102989) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7495551474 + 7495551475.
It is an arithmetic number, because the mean of its divisors is an integer number (7495551475).
Almost surely, 214991102949 is an apocalyptic number.
It is an amenable number.
14991102949 is a deficient number, since it is larger than the sum of its proper divisors (1).
14991102949 is an equidigital number, since it uses as much as digits as its factorization.
14991102949 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 209952, while the sum is 49.
The spelling of 14991102949 in words is "fourteen billion, nine hundred ninety-one million, one hundred two thousand, nine hundred forty-nine".
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