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28483348279 = 54251525029
BaseRepresentation
bin11010100001101111…
…010110011100110111
32201112001110000100011
4122201233112130313
5431313214121104
621030213001051
72025562315501
oct324157263467
981461400304
1028483348279
1111097120161
12562b023187
1328bc0c2749
141542c4cd71
15b1a8e0904
hex6a1bd6737

28483348279 has 4 divisors (see below), whose sum is σ = 28483927560. Its totient is φ = 28482769000.

The previous prime is 28483348273. The next prime is 28483348301. The reversal of 28483348279 is 97284338482.

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 28483348279 - 223 = 28474959671 is a prime.

It is a super-2 number, since 2×284833482792 (a number of 22 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 (28483348273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208264 + ... + 316765.

It is an arithmetic number, because the mean of its divisors is an integer number (7120981890).

Almost surely, 228483348279 is an apocalyptic number.

28483348279 is a deficient number, since it is larger than the sum of its proper divisors (579281).

28483348279 is an equidigital number, since it uses as much as digits as its factorization.

28483348279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579280.

The product of its digits is 18579456, while the sum is 58.

The spelling of 28483348279 in words is "twenty-eight billion, four hundred eighty-three million, three hundred forty-eight thousand, two hundred seventy-nine".

Divisors: 1 54251 525029 28483348279