Base | Representation |
---|---|
bin | 111100110100100… |
… | …001011100011001 |
3 | 2122010001202121200 |
4 | 330310201130121 |
5 | 4042210321213 |
6 | 245130424413 |
7 | 34200161202 |
oct | 7464413431 |
9 | 2563052550 |
10 | 1020401433 |
11 | 483a98777 |
12 | 245892109 |
13 | 13353123c |
14 | 9973c5a9 |
15 | 5e8b1273 |
hex | 3cd21719 |
1020401433 has 12 divisors (see below), whose sum is σ = 1475498388. Its totient is φ = 679536000.
The previous prime is 1020401407. The next prime is 1020401461. The reversal of 1020401433 is 3341040201.
1020401433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 266734224 + 753667209 = 16332^2 + 27453^2 .
It is not a de Polignac number, because 1020401433 - 229 = 483530521 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1020401483) 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, 52068 + ... + 68933.
It is an arithmetic number, because the mean of its divisors is an integer number (122958199).
Almost surely, 21020401433 is an apocalyptic number.
It is an amenable number.
1020401433 is a deficient number, since it is larger than the sum of its proper divisors (455096955).
1020401433 is a wasteful number, since it uses less digits than its factorization.
1020401433 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121944 (or 121941 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 1020401433 is about 31943.7229045082. The cubic root of 1020401433 is about 1006.7547483098.
Adding to 1020401433 its reverse (3341040201), we get a palindrome (4361441634).
The spelling of 1020401433 in words is "one billion, twenty million, four hundred one thousand, four hundred thirty-three".
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