Base | Representation |
---|---|
bin | 1111010110100101… |
… | …00110001111000101 |
3 | 210021102200210021000 |
4 | 13223102212033011 |
5 | 113340034111021 |
6 | 3441521043513 |
7 | 411153665010 |
oct | 75322461705 |
9 | 23242623230 |
10 | 8242488261 |
11 | 354a740477 |
12 | 1720486599 |
13 | a148556b7 |
14 | 58298a377 |
15 | 333948b26 |
hex | 1eb4a63c5 |
8242488261 has 64 divisors (see below), whose sum is σ = 14407168000. Its totient is φ = 4558897728.
The previous prime is 8242488253. The next prime is 8242488283. The reversal of 8242488261 is 1628842428.
It is not a de Polignac number, because 8242488261 - 23 = 8242488253 is a prime.
It is a super-2 number, since 2×82424882612 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8242488251) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1388646 + ... + 1394568.
It is an arithmetic number, because the mean of its divisors is an integer number (225112000).
Almost surely, 28242488261 is an apocalyptic number.
It is an amenable number.
8242488261 is a deficient number, since it is larger than the sum of its proper divisors (6164679739).
8242488261 is a wasteful number, since it uses less digits than its factorization.
8242488261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6175 (or 6169 counting only the distinct ones).
The product of its digits is 393216, while the sum is 45.
The square root of 8242488261 is about 90788.1504437666. The cubic root of 8242488261 is about 2020.0065566072.
The spelling of 8242488261 in words is "eight billion, two hundred forty-two million, four hundred eighty-eight thousand, two hundred sixty-one".
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