Base | Representation |
---|---|
bin | 10010111010110000… |
… | …011100110100010110 |
3 | 1221102122202001000201 |
4 | 102322300130310112 |
5 | 313100130213220 |
6 | 13155352531114 |
7 | 1316243530042 |
oct | 227260346426 |
9 | 57378661021 |
10 | 20313132310 |
11 | 8684262a59 |
12 | 3b2a9b0a9a |
13 | 1bb9522c23 |
14 | da9b17022 |
15 | 7dd4c0d0a |
hex | 4bac1cd16 |
20313132310 has 16 divisors (see below), whose sum is σ = 36583640352. Its totient is φ = 8120808000.
The previous prime is 20313132271. The next prime is 20313132311. The reversal of 20313132310 is 1323131302.
It is a super-2 number, since 2×203131323102 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20313132311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536391 + ... + 573010.
It is an arithmetic number, because the mean of its divisors is an integer number (2286477522).
Almost surely, 220313132310 is an apocalyptic number.
20313132310 is a deficient number, since it is larger than the sum of its proper divisors (16270508042).
20313132310 is a wasteful number, since it uses less digits than its factorization.
20313132310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1111239.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 20313132310 its reverse (1323131302), we get a palindrome (21636263612).
The spelling of 20313132310 in words is "twenty billion, three hundred thirteen million, one hundred thirty-two thousand, three hundred ten".
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