Base | Representation |
---|---|
bin | 1110110100010100… |
… | …11101011010101001 |
3 | 202112102000002201111 |
4 | 13122022131122221 |
5 | 112243004023223 |
6 | 3353214150321 |
7 | 401064410506 |
oct | 73212353251 |
9 | 22472002644 |
10 | 7955142313 |
11 | 341251a188 |
12 | 16601b23a1 |
13 | 99a168501 |
14 | 55674c4ad |
15 | 3185d930d |
hex | 1da29d6a9 |
7955142313 has 4 divisors (see below), whose sum is σ = 8028125380. Its totient is φ = 7882159248.
The previous prime is 7955142311. The next prime is 7955142323. The reversal of 7955142313 is 3132415597.
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 6788441664 + 1166700649 = 82392^2 + 34157^2 .
It is a cyclic number.
It is not a de Polignac number, because 7955142313 - 21 = 7955142311 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7955142311) 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, 36491370 + ... + 36491587.
It is an arithmetic number, because the mean of its divisors is an integer number (2007031345).
Almost surely, 27955142313 is an apocalyptic number.
It is an amenable number.
7955142313 is a deficient number, since it is larger than the sum of its proper divisors (72983067).
7955142313 is a wasteful number, since it uses less digits than its factorization.
7955142313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72983066.
The product of its digits is 113400, while the sum is 40.
The square root of 7955142313 is about 89191.6044984056. The cubic root of 7955142313 is about 1996.2548507226.
The spelling of 7955142313 in words is "seven billion, nine hundred fifty-five million, one hundred forty-two thousand, three hundred thirteen".
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