Base | Representation |
---|---|
bin | 10010101011001101… |
… | …101110101010001010 |
3 | 1220202111002001021101 |
4 | 102223031232222022 |
5 | 312031401401411 |
6 | 13113435532014 |
7 | 1306626231154 |
oct | 225315565212 |
9 | 56674061241 |
10 | 20052372106 |
11 | 856004aa58 |
12 | 3a775ba00a |
13 | 1b774b3950 |
14 | d83239ad4 |
15 | 7c56638c1 |
hex | 4ab36ea8a |
20052372106 has 16 divisors (see below), whose sum is σ = 32395595400. Its totient is φ = 9253997568.
The previous prime is 20052372101. The next prime is 20052372121. The reversal of 20052372106 is 60127325002.
It can be written as a sum of positive squares in 4 ways, for example, as 12994860025 + 7057512081 = 113995^2 + 84009^2 .
It is not an unprimeable number, because it can be changed into a prime (20052372101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265150 + ... + 332278.
Almost surely, 220052372106 is an apocalyptic number.
20052372106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
20052372106 is a deficient number, since it is larger than the sum of its proper divisors (12343223294).
20052372106 is a wasteful number, since it uses less digits than its factorization.
20052372106 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78633.
The product of its (nonzero) digits is 5040, while the sum is 28.
Adding to 20052372106 its reverse (60127325002), we get a palindrome (80179697108).
The spelling of 20052372106 in words is "twenty billion, fifty-two million, three hundred seventy-two thousand, one hundred six".
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