Base | Representation |
---|---|
bin | 1101010001010101… |
… | …01110111111111101 |
3 | 200101112110101211120 |
4 | 12220222232333331 |
5 | 104042413222031 |
6 | 3134551541153 |
7 | 341362210656 |
oct | 65052567775 |
9 | 20345411746 |
10 | 7124742141 |
11 | 3026805250 |
12 | 146a08a7b9 |
13 | 89710046a |
14 | 4b834c52d |
15 | 2ba759a96 |
hex | 1a8aaeffd |
7124742141 has 16 divisors (see below), whose sum is σ = 10558797120. Its totient is φ = 4236552320.
The previous prime is 7124742139. The next prime is 7124742167. The reversal of 7124742141 is 1412474217.
It is not a de Polignac number, because 7124742141 - 21 = 7124742139 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7124742181) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2035056 + ... + 2038553.
It is an arithmetic number, because the mean of its divisors is an integer number (659924820).
Almost surely, 27124742141 is an apocalyptic number.
It is an amenable number.
7124742141 is a deficient number, since it is larger than the sum of its proper divisors (3434054979).
7124742141 is a wasteful number, since it uses less digits than its factorization.
7124742141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4073676.
The product of its digits is 12544, while the sum is 33.
The square root of 7124742141 is about 84408.1876419581. The cubic root of 7124742141 is about 1924.2273520097.
The spelling of 7124742141 in words is "seven billion, one hundred twenty-four million, seven hundred forty-two thousand, one hundred forty-one".
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