Base | Representation |
---|---|
bin | 10010111011110101… |
… | …110111111000111010 |
3 | 1221110220222122010002 |
4 | 102323311313320322 |
5 | 313114310044010 |
6 | 13201242553002 |
7 | 1316554314605 |
oct | 227365677072 |
9 | 57426878102 |
10 | 20331331130 |
11 | 8693563000 |
12 | 3b34b08762 |
13 | 1bc0225566 |
14 | dac2d333c |
15 | 7dedb81a5 |
hex | 4bbd77e3a |
20331331130 has 32 divisors (see below), whose sum is σ = 40253312448. Its totient is φ = 7393206480.
The previous prime is 20331331103. The next prime is 20331331157. The reversal of 20331331130 is 3113313302.
It is an interprime number because it is at equal distance from previous prime (20331331103) and next prime (20331331157).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750452 + ... + 777071.
It is an arithmetic number, because the mean of its divisors is an integer number (1257916014).
Almost surely, 220331331130 is an apocalyptic number.
20331331130 is a deficient number, since it is larger than the sum of its proper divisors (19921981318).
20331331130 is a wasteful number, since it uses less digits than its factorization.
20331331130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1527563 (or 1527541 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 20.
Adding to 20331331130 its reverse (3113313302), we get a palindrome (23444644432).
The spelling of 20331331130 in words is "twenty billion, three hundred thirty-one million, three hundred thirty-one thousand, one hundred thirty".
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