Base | Representation |
---|---|
bin | 10010111011110100… |
… | …101010001111101110 |
3 | 1221110220101110212021 |
4 | 102323310222033232 |
5 | 313114214404402 |
6 | 13201232100354 |
7 | 1316551521451 |
oct | 227364521756 |
9 | 57426343767 |
10 | 20331013102 |
11 | 8693366074 |
12 | 3b349946ba |
13 | 1bc014388a |
14 | dac24d498 |
15 | 7ded53d37 |
hex | 4bbd2a3ee |
20331013102 has 4 divisors (see below), whose sum is σ = 30496519656. Its totient is φ = 10165506550.
The previous prime is 20331013097. The next prime is 20331013127. The reversal of 20331013102 is 20131013302.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20131013302 = 2 ⋅10065506651.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5082753274 + ... + 5082753277.
It is an arithmetic number, because the mean of its divisors is an integer number (7624129914).
Almost surely, 220331013102 is an apocalyptic number.
20331013102 is a deficient number, since it is larger than the sum of its proper divisors (10165506554).
20331013102 is a wasteful number, since it uses less digits than its factorization.
20331013102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10165506553.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 20331013102 its reverse (20131013302), we get a palindrome (40462026404).
The spelling of 20331013102 in words is "twenty billion, three hundred thirty-one million, thirteen thousand, one hundred two".
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