Base | Representation |
---|---|
bin | 10000010101011… |
… | …00011011011101 |
3 | 100112211101200101 |
4 | 20022230123131 |
5 | 240034134044 |
6 | 21332501101 |
7 | 3252442366 |
oct | 1012543335 |
9 | 315741611 |
10 | 137021149 |
11 | 70388021 |
12 | 39a7a791 |
13 | 22506505 |
14 | 142aab6d |
15 | c068cd4 |
hex | 82ac6dd |
137021149 has 2 divisors, whose sum is σ = 137021150. Its totient is φ = 137021148.
The previous prime is 137021117. The next prime is 137021197. The reversal of 137021149 is 941120731.
137021149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 134792100 + 2229049 = 11610^2 + 1493^2 .
It is a cyclic number.
It is not a de Polignac number, because 137021149 - 25 = 137021117 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (137025149) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68510574 + 68510575.
It is an arithmetic number, because the mean of its divisors is an integer number (68510575).
Almost surely, 2137021149 is an apocalyptic number.
It is an amenable number.
137021149 is a deficient number, since it is larger than the sum of its proper divisors (1).
137021149 is an equidigital number, since it uses as much as digits as its factorization.
137021149 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1512, while the sum is 28.
The square root of 137021149 is about 11705.6033163609. The cubic root of 137021149 is about 515.5401991868.
The spelling of 137021149 in words is "one hundred thirty-seven million, twenty-one thousand, one hundred forty-nine".
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