Base | Representation |
---|---|
bin | 10010111000111101… |
… | …001011011011010001 |
3 | 1221100112212211000001 |
4 | 102320331023123101 |
5 | 313014411231023 |
6 | 13152353130001 |
7 | 1315425633361 |
oct | 227075133321 |
9 | 57315784001 |
10 | 20282914513 |
11 | 86691a3974 |
12 | 3b20859901 |
13 | 1bb31a2a84 |
14 | da5acc9a1 |
15 | 7daa026ad |
hex | 4b8f4b6d1 |
20282914513 has 4 divisors (see below), whose sum is σ = 20357759488. Its totient is φ = 20208069540.
The previous prime is 20282914459. The next prime is 20282914517. The reversal of 20282914513 is 31541928202.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20282914513 is a prime.
It is a super-2 number, since 2×202829145132 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20282914517) 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 3 ways as a sum of consecutive naturals, for example, 37422081 + ... + 37422622.
It is an arithmetic number, because the mean of its divisors is an integer number (5089439872).
Almost surely, 220282914513 is an apocalyptic number.
It is an amenable number.
20282914513 is a deficient number, since it is larger than the sum of its proper divisors (74844975).
20282914513 is an equidigital number, since it uses as much as digits as its factorization.
20282914513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74844974.
The product of its (nonzero) digits is 34560, while the sum is 37.
The spelling of 20282914513 in words is "twenty billion, two hundred eighty-two million, nine hundred fourteen thousand, five hundred thirteen".
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