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18276431714 = 29138215857
BaseRepresentation
bin10001000001010111…
…000011011101100010
31202011201022221001022
4101001113003131202
5244412231303324
612221315205442
71214623051322
oct210127033542
952151287038
1018276431714
117829629722
1236608a6882
131953598a48
14c55427282
1571e7ae05e
hex4415c3762

18276431714 has 4 divisors (see below), whose sum is σ = 27414647574. Its totient is φ = 9138215856.

The previous prime is 18276431687. The next prime is 18276431717. The reversal of 18276431714 is 41713467281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41713467281 = 411017401641.

It can be written as a sum of positive squares in only one way, i.e., 10622806489 + 7653625225 = 103067^2 + 87485^2 .

It is not an unprimeable number, because it can be changed into a prime (18276431717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4569107927 + ... + 4569107930.

Almost surely, 218276431714 is an apocalyptic number.

18276431714 is a deficient number, since it is larger than the sum of its proper divisors (9138215860).

18276431714 is an equidigital number, since it uses as much as digits as its factorization.

18276431714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9138215859.

The product of its digits is 225792, while the sum is 44.

Adding to 18276431714 its reverse (41713467281), we get a palindrome (59989898995).

The spelling of 18276431714 in words is "eighteen billion, two hundred seventy-six million, four hundred thirty-one thousand, seven hundred fourteen".

Divisors: 1 2 9138215857 18276431714