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8368428719 = 71195489817
BaseRepresentation
bin1111100101100110…
…00001011010101111
3210121012200020002102
413302303001122233
5114114304204334
63502220245315
7414243320240
oct76263013257
923535606072
108368428719
11360483a3a2
1217566a083b
13a3497c491
145955b0cc7
1533ea2467e
hex1f2cc16af

8368428719 has 4 divisors (see below), whose sum is σ = 9563918544. Its totient is φ = 7172938896.

The previous prime is 8368428701. The next prime is 8368428751. The reversal of 8368428719 is 9178248638.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8368428719 - 228 = 8099993263 is a prime.

It is a super-2 number, since 2×83684287192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8368428919) 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, 597744902 + ... + 597744915.

It is an arithmetic number, because the mean of its divisors is an integer number (2390979636).

Almost surely, 28368428719 is an apocalyptic number.

8368428719 is a deficient number, since it is larger than the sum of its proper divisors (1195489825).

8368428719 is a wasteful number, since it uses less digits than its factorization.

8368428719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195489824.

The product of its digits is 4644864, while the sum is 56.

The square root of 8368428719 is about 91479.1162998419. The cubic root of 8368428719 is about 2030.2427754489.

The spelling of 8368428719 in words is "eight billion, three hundred sixty-eight million, four hundred twenty-eight thousand, seven hundred nineteen".

Divisors: 1 7 1195489817 8368428719