Base | Representation |
---|---|
bin | 10010101010001… |
… | …001110100011111 |
3 | 210211001002100222 |
4 | 102222021310133 |
5 | 1120114241114 |
6 | 51021311555 |
7 | 10520540345 |
oct | 2252116437 |
9 | 724032328 |
10 | 313040159 |
11 | 150780783 |
12 | 88a055bb |
13 | 4cb15383 |
14 | 2d809995 |
15 | 1c73798e |
hex | 12a89d1f |
313040159 has 4 divisors (see below), whose sum is σ = 331454304. Its totient is φ = 294626016.
The previous prime is 313040153. The next prime is 313040173. The reversal of 313040159 is 951040313.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951040313 = 1951 ⋅487463.
It is a cyclic number.
It is not a de Polignac number, because 313040159 - 220 = 311991583 is a prime.
It is a super-2 number, since 2×3130401592 = 195988282293490562, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313040153) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9207047 + ... + 9207080.
It is an arithmetic number, because the mean of its divisors is an integer number (82863576).
Almost surely, 2313040159 is an apocalyptic number.
313040159 is a deficient number, since it is larger than the sum of its proper divisors (18414145).
313040159 is a wasteful number, since it uses less digits than its factorization.
313040159 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18414144.
The product of its (nonzero) digits is 1620, while the sum is 26.
The square root of 313040159 is about 17692.9409369952. The cubic root of 313040159 is about 678.9951703156.
The spelling of 313040159 in words is "three hundred thirteen million, forty thousand, one hundred fifty-nine".
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