Base | Representation |
---|---|
bin | 10010111010101100… |
… | …011100100100011010 |
3 | 1221102120202201020210 |
4 | 102322230130210122 |
5 | 313044343121324 |
6 | 13155314231550 |
7 | 1316231566020 |
oct | 227254344432 |
9 | 57376681223 |
10 | 20312082714 |
11 | 8683706420 |
12 | 3b2a5855b6 |
13 | 1bb9246271 |
14 | da9922710 |
15 | 7dd364d29 |
hex | 4bab1c91a |
20312082714 has 32 divisors (see below), whose sum is σ = 50648311296. Its totient is φ = 5275865520.
The previous prime is 20312082697. The next prime is 20312082719. The reversal of 20312082714 is 41728021302.
It is not an unprimeable number, because it can be changed into a prime (20312082719) 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 15 ways as a sum of consecutive naturals, for example, 21982312 + ... + 21983235.
It is an arithmetic number, because the mean of its divisors is an integer number (1582759728).
Almost surely, 220312082714 is an apocalyptic number.
20312082714 is an abundant number, since it is smaller than the sum of its proper divisors (30336228582).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20312082714 is a wasteful number, since it uses less digits than its factorization.
20312082714 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43965570.
The product of its (nonzero) digits is 5376, while the sum is 30.
The spelling of 20312082714 in words is "twenty billion, three hundred twelve million, eighty-two thousand, seven hundred fourteen".
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