Base | Representation |
---|---|
bin | 1110100100110100… |
… | …10011100011010101 |
3 | 202012100021011200200 |
4 | 13102122103203111 |
5 | 112011210002420 |
6 | 3332250331113 |
7 | 364625032620 |
oct | 72232234325 |
9 | 22170234620 |
10 | 7825078485 |
11 | 3356064314 |
12 | 1624729a99 |
13 | 979229973 |
14 | 543372db7 |
15 | 30be96b90 |
hex | 1d26938d5 |
7825078485 has 48 divisors (see below), whose sum is σ = 15551792256. Its totient is φ = 3565482624.
The previous prime is 7825078451. The next prime is 7825078489. The reversal of 7825078485 is 5848705287.
7825078485 is a `hidden beast` number, since 78 + 25 + 0 + 78 + 485 = 666.
It is not a de Polignac number, because 7825078485 - 28 = 7825078229 is a prime.
It is a super-2 number, since 2×78250784852 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7825078489) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56247 + ... + 137163.
It is an arithmetic number, because the mean of its divisors is an integer number (323995672).
Almost surely, 27825078485 is an apocalyptic number.
It is an amenable number.
7825078485 is a deficient number, since it is larger than the sum of its proper divisors (7726713771).
7825078485 is a wasteful number, since it uses less digits than its factorization.
7825078485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81242 (or 81239 counting only the distinct ones).
The product of its (nonzero) digits is 5017600, while the sum is 54.
The square root of 7825078485 is about 88459.4736871071. The cubic root of 7825078485 is about 1985.3156559689.
The spelling of 7825078485 in words is "seven billion, eight hundred twenty-five million, seventy-eight thousand, four hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •