Base | Representation |
---|---|
bin | 10010111010110110… |
… | …000100101110111001 |
3 | 1221102202111221021010 |
4 | 102322312010232321 |
5 | 313101014402041 |
6 | 13155444304133 |
7 | 1316262210036 |
oct | 227266045671 |
9 | 57382457233 |
10 | 20314606521 |
11 | 868507a610 |
12 | 3b2b3a2049 |
13 | 1bb991ac41 |
14 | da9dbc38d |
15 | 7dd6b2a16 |
hex | 4bad84bb9 |
20314606521 has 8 divisors (see below), whose sum is σ = 29548518624. Its totient is φ = 12311882720.
The previous prime is 20314606511. The next prime is 20314606531. The reversal of 20314606521 is 12560641302.
It is an interprime number because it is at equal distance from previous prime (20314606511) and next prime (20314606531).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20314606521 - 213 = 20314598329 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20314606511) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 307797036 + ... + 307797101.
It is an arithmetic number, because the mean of its divisors is an integer number (3693564828).
Almost surely, 220314606521 is an apocalyptic number.
It is an amenable number.
20314606521 is a deficient number, since it is larger than the sum of its proper divisors (9233912103).
20314606521 is a wasteful number, since it uses less digits than its factorization.
20314606521 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 615594151.
The product of its (nonzero) digits is 8640, while the sum is 30.
The spelling of 20314606521 in words is "twenty billion, three hundred fourteen million, six hundred six thousand, five hundred twenty-one".
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