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28714647358 = 214357323679
BaseRepresentation
bin11010101111100001…
…101011111100111110
32202010011200020000201
4122233201223330332
5432301422203413
621105154314114
72034401322025
oct325741537476
982104606021
1028714647358
11111a5740621
12569458893a
132927cb80c7
14156585b8bc
15b30d7d9dd
hex6af86bf3e

28714647358 has 4 divisors (see below), whose sum is σ = 43071971040. Its totient is φ = 14357323678.

The previous prime is 28714647341. The next prime is 28714647361. The reversal of 28714647358 is 85374641782.

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

It is a junction number, because it is equal to n+sod(n) for n = 28714647299 and 28714647308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7178661838 + ... + 7178661841.

It is an arithmetic number, because the mean of its divisors is an integer number (10767992760).

Almost surely, 228714647358 is an apocalyptic number.

28714647358 is a deficient number, since it is larger than the sum of its proper divisors (14357323682).

28714647358 is a wasteful number, since it uses less digits than its factorization.

28714647358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14357323681.

The product of its digits is 9031680, while the sum is 55.

The spelling of 28714647358 in words is "twenty-eight billion, seven hundred fourteen million, six hundred forty-seven thousand, three hundred fifty-eight".

Divisors: 1 2 14357323679 28714647358