Base | Representation |
---|---|
bin | 1101110101100100… |
… | …01000010001011001 |
3 | 201011201100120020102 |
4 | 12322302020101121 |
5 | 110203214424203 |
6 | 3225050105145 |
7 | 352042441433 |
oct | 67262102131 |
9 | 21151316212 |
10 | 7428670553 |
11 | 3172322157 |
12 | 1533a1b1b5 |
13 | 915075365 |
14 | 506865653 |
15 | 2d7292888 |
hex | 1bac88459 |
7428670553 has 8 divisors (see below), whose sum is σ = 7470577608. Its totient is φ = 7386799104.
The previous prime is 7428670541. The next prime is 7428670577. The reversal of 7428670553 is 3550768247.
It can be written as a sum of positive squares in 4 ways, for example, as 1759634704 + 5669035849 = 41948^2 + 75293^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 7428670553 - 216 = 7428605017 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 7428670498 and 7428670507.
It is not an unprimeable number, because it can be changed into a prime (7428678553) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485975 + ... + 501027.
It is an arithmetic number, because the mean of its divisors is an integer number (933822201).
Almost surely, 27428670553 is an apocalyptic number.
It is an amenable number.
7428670553 is a deficient number, since it is larger than the sum of its proper divisors (41907055).
7428670553 is a wasteful number, since it uses less digits than its factorization.
7428670553 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17803.
The product of its (nonzero) digits is 1411200, while the sum is 47.
The square root of 7428670553 is about 86189.7357752070. The cubic root of 7428670553 is about 1951.2085913811.
The spelling of 7428670553 in words is "seven billion, four hundred twenty-eight million, six hundred seventy thousand, five hundred fifty-three".
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