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20488614733 is a prime number
BaseRepresentation
bin10011000101001101…
…110111001101001101
31221212212221110122201
4103011031313031031
5313430041132413
613225022041501
71323504231436
oct230515671515
957785843581
1020488614733
11876431a554
123b79719291
131c169a4792
14dc515648d
157edad59dd
hex4c537734d

20488614733 has 2 divisors, whose sum is σ = 20488614734. Its totient is φ = 20488614732.

The previous prime is 20488614721. The next prime is 20488614779. The reversal of 20488614733 is 33741688402.

It is an a-pointer prime, because the next prime (20488614779) can be obtained adding 20488614733 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20205769609 + 282845124 = 142147^2 + 16818^2 .

It is a cyclic number.

It is not a de Polignac number, because 20488614733 - 29 = 20488614221 is a prime.

It is a super-2 number, since 2×204886147332 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20488614703) 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 as a sum of consecutive naturals, namely, 10244307366 + 10244307367.

It is an arithmetic number, because the mean of its divisors is an integer number (10244307367).

Almost surely, 220488614733 is an apocalyptic number.

It is an amenable number.

20488614733 is a deficient number, since it is larger than the sum of its proper divisors (1).

20488614733 is an equidigital number, since it uses as much as digits as its factorization.

20488614733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 20488614733 in words is "twenty billion, four hundred eighty-eight million, six hundred fourteen thousand, seven hundred thirty-three".