Base | Representation |
---|---|
bin | 10010101010100000… |
… | …11011001001000111 |
3 | 221212022222011012022 |
4 | 21111100123021013 |
5 | 131010144202211 |
6 | 4334145513355 |
7 | 503212113425 |
oct | 112520331107 |
9 | 27768864168 |
10 | 10020303431 |
11 | 4282222306 |
12 | 1b3794285b |
13 | c38c78a38 |
14 | 6b0b2a115 |
15 | 3d9a6dbdb |
hex | 25541b247 |
10020303431 has 4 divisors (see below), whose sum is σ = 10132891200. Its totient is φ = 9907715664.
The previous prime is 10020303413. The next prime is 10020303443. The reversal of 10020303431 is 13430302001.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13430302001 = 193 ⋅69587057.
It is a cyclic number.
It is not a de Polignac number, because 10020303431 - 26 = 10020303367 is a prime.
It is a super-2 number, since 2×100203034312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10020303031) 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, 56293751 + ... + 56293928.
It is an arithmetic number, because the mean of its divisors is an integer number (2533222800).
Almost surely, 210020303431 is an apocalyptic number.
10020303431 is a deficient number, since it is larger than the sum of its proper divisors (112587769).
10020303431 is an equidigital number, since it uses as much as digits as its factorization.
10020303431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112587768.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 10020303431 its reverse (13430302001), we get a palindrome (23450605432).
The spelling of 10020303431 in words is "ten billion, twenty million, three hundred three thousand, four hundred thirty-one".
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