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20282914513 = 27174844703
BaseRepresentation
bin10010111000111101…
…001011011011010001
31221100112212211000001
4102320331023123101
5313014411231023
613152353130001
71315425633361
oct227075133321
957315784001
1020282914513
1186691a3974
123b20859901
131bb31a2a84
14da5acc9a1
157daa026ad
hex4b8f4b6d1

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".

Divisors: 1 271 74844703 20282914513