Base | Representation |
---|---|
bin | 1101011101101101… |
… | …01001110110001001 |
3 | 200122202202101002110 |
4 | 12232312221312021 |
5 | 104301000430212 |
6 | 3153140252533 |
7 | 344062330440 |
oct | 65666516611 |
9 | 20582671073 |
10 | 7228530057 |
11 | 307a353691 |
12 | 14989a1149 |
13 | 8b276c128 |
14 | 4c8047d57 |
15 | 2c490ba3c |
hex | 1aeda9d89 |
7228530057 has 16 divisors (see below), whose sum is σ = 11019571200. Its totient is φ = 4128838032.
The previous prime is 7228530011. The next prime is 7228530079. The reversal of 7228530057 is 7500358227.
It is not a de Polignac number, because 7228530057 - 28 = 7228529801 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 7228529997 and 7228530024.
It is not an unprimeable number, because it can be changed into a prime (7228530857) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21363 + ... + 122120.
It is an arithmetic number, because the mean of its divisors is an integer number (688723200).
Almost surely, 27228530057 is an apocalyptic number.
It is an amenable number.
7228530057 is a deficient number, since it is larger than the sum of its proper divisors (3791041143).
7228530057 is a wasteful number, since it uses less digits than its factorization.
7228530057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 145892.
The product of its (nonzero) digits is 117600, while the sum is 39.
The square root of 7228530057 is about 85020.7625054022. The cubic root of 7228530057 is about 1933.5259140274.
The spelling of 7228530057 in words is "seven billion, two hundred twenty-eight million, five hundred thirty thousand, fifty-seven".
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