Base | Representation |
---|---|
bin | 1111111111100110… |
… | …0101010100000001 |
3 | 102002012120111000001 |
4 | 3333321211110001 |
5 | 32243040110441 |
6 | 1550004000001 |
7 | 211251215146 |
oct | 37771452401 |
9 | 12065514001 |
10 | 4293285121 |
11 | 19034a1724 |
12 | 9b9990001 |
13 | 53560acc8 |
14 | 2ca29a3cd |
15 | 1a1da9731 |
hex | ffe65501 |
4293285121 has 12 divisors (see below), whose sum is σ = 4436098492. Its totient is φ = 4152033216.
The previous prime is 4293285119. The next prime is 4293285127. The reversal of 4293285121 is 1215823924.
It can be written as a sum of positive squares in 6 ways, for example, as 1286298225 + 3006986896 = 35865^2 + 54836^2 .
It is not a de Polignac number, because 4293285121 - 21 = 4293285119 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (4293285127) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1105435 + ... + 1109311.
Almost surely, 24293285121 is an apocalyptic number.
It is an amenable number.
4293285121 is a deficient number, since it is larger than the sum of its proper divisors (142813371).
4293285121 is an equidigital number, since it uses as much as digits as its factorization.
4293285121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4260 (or 4087 counting only the distinct ones).
The product of its digits is 34560, while the sum is 37.
The square root of 4293285121 is about 65523.1647663634. The cubic root of 4293285121 is about 1625.2864342102.
The spelling of 4293285121 in words is "four billion, two hundred ninety-three million, two hundred eighty-five thousand, one hundred twenty-one".
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