Base | Representation |
---|---|
bin | 1001010010101000001000… |
… | …10110011011001000000010 |
3 | 2200100012120201022220111102 |
4 | 10221110010112123020002 |
5 | 10134221130444223320 |
6 | 111241551213214402 |
7 | 4206051662042042 |
oct | 451240426331002 |
9 | 80305521286442 |
10 | 20431232414210 |
11 | 6567923069502 |
12 | 235b862491402 |
13 | b5287041a437 |
14 | 508c3c3d5722 |
15 | 2566e3698175 |
hex | 12950459b202 |
20431232414210 has 32 divisors (see below), whose sum is σ = 37673543199600. Its totient is φ = 7973091082240.
The previous prime is 20431232414209. The next prime is 20431232414213. The reversal of 20431232414210 is 1241423213402.
It can be written as a sum of positive squares in 8 ways, for example, as 5286316041601 + 15144916372609 = 2299199^2 + 3891647^2 .
It is not an unprimeable number, because it can be changed into a prime (20431232414213) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75226136 + ... + 75497244.
Almost surely, 220431232414210 is an apocalyptic number.
20431232414210 is a deficient number, since it is larger than the sum of its proper divisors (17242310785390).
20431232414210 is a wasteful number, since it uses less digits than its factorization.
20431232414210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 454966.
The product of its (nonzero) digits is 9216, while the sum is 29.
Adding to 20431232414210 its reverse (1241423213402), we get a palindrome (21672655627612).
The spelling of 20431232414210 in words is "twenty trillion, four hundred thirty-one billion, two hundred thirty-two million, four hundred fourteen thousand, two hundred ten".
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