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28723082339 = 78349437319
BaseRepresentation
bin11010110000000001…
…110111010001100011
32202010202112202122102
4122300001313101203
5432311102113324
621110055201015
72034533112560
oct326001672143
982122482572
1028723082339
11111aa481986
12569737616b
13292997c513
141566a15867
15b31997dae
hex6b0077463

28723082339 has 8 divisors (see below), whose sum is σ = 33221879040. Its totient is φ = 24323160456.

The previous prime is 28723082321. The next prime is 28723082357. The reversal of 28723082339 is 93328032782.

It is an interprime number because it is at equal distance from previous prime (28723082321) and next prime (28723082357).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28723082339 - 220 = 28722033763 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28723082293 and 28723082302.

It is not an unprimeable number, because it can be changed into a prime (28723082369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24718079 + ... + 24719240.

It is an arithmetic number, because the mean of its divisors is an integer number (4152734880).

Almost surely, 228723082339 is an apocalyptic number.

28723082339 is a deficient number, since it is larger than the sum of its proper divisors (4498796701).

28723082339 is an equidigital number, since it uses as much as digits as its factorization.

28723082339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49437409.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 28723082339 in words is "twenty-eight billion, seven hundred twenty-three million, eighty-two thousand, three hundred thirty-nine".

Divisors: 1 7 83 581 49437319 346061233 4103297477 28723082339