Base | Representation |
---|---|
bin | 10010101010100001… |
… | …11000010101011001 |
3 | 221212100012020012211 |
4 | 21111100320111121 |
5 | 131010212014001 |
6 | 4334152235121 |
7 | 503213122141 |
oct | 112520702531 |
9 | 27770166184 |
10 | 10020423001 |
11 | 42822a4126 |
12 | 1b3799baa1 |
13 | c38cbb2a4 |
14 | 6b0b5b921 |
15 | 3d9a94351 |
hex | 255438559 |
10020423001 has 4 divisors (see below), whose sum is σ = 10264823604. Its totient is φ = 9776022400.
The previous prime is 10020422959. The next prime is 10020423019. The reversal of 10020423001 is 10032402001.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10032402001 = 31 ⋅323625871.
It can be written as a sum of positive squares in 2 ways, for example, as 187717401 + 9832705600 = 13701^2 + 99160^2 .
It is a cyclic number.
It is not a de Polignac number, because 10020423001 - 27 = 10020422873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10020423031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122200240 + ... + 122200321.
It is an arithmetic number, because the mean of its divisors is an integer number (2566205901).
Almost surely, 210020423001 is an apocalyptic number.
It is an amenable number.
10020423001 is a deficient number, since it is larger than the sum of its proper divisors (244400603).
10020423001 is an equidigital number, since it uses as much as digits as its factorization.
10020423001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244400602.
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 10020423001 its reverse (10032402001), we get a palindrome (20052825002).
The spelling of 10020423001 in words is "ten billion, twenty million, four hundred twenty-three thousand, one".
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