Base | Representation |
---|---|
bin | 1101110100101001… |
… | …11110000100101101 |
3 | 201011011222012201020 |
4 | 12322110332010231 |
5 | 110144240322410 |
6 | 3224214204353 |
7 | 351620454036 |
oct | 67224760455 |
9 | 21134865636 |
10 | 7421026605 |
11 | 3168a81143 |
12 | 15313536b9 |
13 | 9135ca005 |
14 | 505835a8d |
15 | 2d6782a70 |
hex | 1ba53e12d |
7421026605 has 32 divisors (see below), whose sum is σ = 12265067520. Its totient is φ = 3827581440.
The previous prime is 7421026523. The next prime is 7421026621. The reversal of 7421026605 is 5066201247.
7421026605 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 7421026605 - 27 = 7421026477 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 801241 + ... + 810449.
It is an arithmetic number, because the mean of its divisors is an integer number (383283360).
Almost surely, 27421026605 is an apocalyptic number.
It is an amenable number.
7421026605 is a deficient number, since it is larger than the sum of its proper divisors (4844040915).
7421026605 is a wasteful number, since it uses less digits than its factorization.
7421026605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10981.
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 7421026605 is about 86145.3806364566. The cubic root of 7421026605 is about 1950.5391106375.
The spelling of 7421026605 in words is "seven billion, four hundred twenty-one million, twenty-six thousand, six hundred five".
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