Base | Representation |
---|---|
bin | 10010101000110001… |
… | …000110010001001010 |
3 | 1220122121210222200012 |
4 | 102220301012101022 |
5 | 311440343442302 |
6 | 13105411511522 |
7 | 1305620230040 |
oct | 225061062112 |
9 | 56577728605 |
10 | 20011312202 |
11 | 8539956052 |
12 | 3a658b85a2 |
13 | 1b6bb3884b |
14 | d7b9cc390 |
15 | 7c1c52a52 |
hex | 4a8c4644a |
20011312202 has 16 divisors (see below), whose sum is σ = 36110639040. Its totient is φ = 8124893568.
The previous prime is 20011312199. The next prime is 20011312253. The reversal of 20011312202 is 20221311002.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37614983 + ... + 37615514.
It is an arithmetic number, because the mean of its divisors is an integer number (2256914940).
Almost surely, 220011312202 is an apocalyptic number.
20011312202 is a deficient number, since it is larger than the sum of its proper divisors (16099326838).
20011312202 is a wasteful number, since it uses less digits than its factorization.
20011312202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75230525.
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 20011312202 its reverse (20221311002), we get a palindrome (40232623204).
The spelling of 20011312202 in words is "twenty billion, eleven million, three hundred twelve thousand, two hundred two".
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