Base | Representation |
---|---|
bin | 10010101110001011… |
… | …100010101001111110 |
3 | 1220212221201000200112 |
4 | 102232023202221332 |
5 | 312132121132202 |
6 | 13122414230022 |
7 | 1311102200612 |
oct | 225613425176 |
9 | 56787630615 |
10 | 20102130302 |
11 | 8586146031 |
12 | 3a901b5312 |
13 | 1b848b5c77 |
14 | d89aad342 |
15 | 7c9be1b52 |
hex | 4ae2e2a7e |
20102130302 has 8 divisors (see below), whose sum is σ = 31740205800. Its totient is φ = 9522061704.
The previous prime is 20102130287. The next prime is 20102130311. The reversal of 20102130302 is 20303120102.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×201021303022 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264501677 + ... + 264501752.
It is an arithmetic number, because the mean of its divisors is an integer number (3967525725).
Almost surely, 220102130302 is an apocalyptic number.
20102130302 is a deficient number, since it is larger than the sum of its proper divisors (11638075498).
20102130302 is a wasteful number, since it uses less digits than its factorization.
20102130302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 529003450.
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 20102130302 its reverse (20303120102), we get a palindrome (40405250404).
It can be divided in two parts, 2010 and 2130302, that added together give a palindrome (2132312).
The spelling of 20102130302 in words is "twenty billion, one hundred two million, one hundred thirty thousand, three hundred two".
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