Base | Representation |
---|---|
bin | 10010111100100111… |
… | …000000001100100010 |
3 | 1221111211012221220001 |
4 | 102330213000030202 |
5 | 313131104211320 |
6 | 13202423010214 |
7 | 1320101635132 |
oct | 227447001442 |
9 | 57454187801 |
10 | 20344210210 |
11 | 869a85a275 |
12 | 3b3929996a |
13 | 1bc2ab470c |
14 | dadcc6ac2 |
15 | 7e10ae20a |
hex | 4bc9c0322 |
20344210210 has 32 divisors (see below), whose sum is σ = 38039641200. Its totient is φ = 7824445440.
The previous prime is 20344210189. The next prime is 20344210213. The reversal of 20344210210 is 1201244302.
It can be written as a sum of positive squares in 8 ways, for example, as 4172255649 + 16171954561 = 64593^2 + 127169^2 .
It is not an unprimeable number, because it can be changed into a prime (20344210213) 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, 75655 + ... + 215434.
Almost surely, 220344210210 is an apocalyptic number.
20344210210 is a deficient number, since it is larger than the sum of its proper divisors (17695430990).
20344210210 is a wasteful number, since it uses less digits than its factorization.
20344210210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 291366.
The product of its (nonzero) digits is 384, while the sum is 19.
Adding to 20344210210 its reverse (1201244302), we get a palindrome (21545454512).
The spelling of 20344210210 in words is "twenty billion, three hundred forty-four million, two hundred ten thousand, two hundred ten".
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