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28056311714 = 214028155857
BaseRepresentation
bin11010001000010010…
…010101011110100010
32200102021220022022002
4122020102111132202
5424424403433324
620520000044002
72012155500104
oct321022253642
980367808262
1028056311714
1110998069282
125530003602
1328517a5ca2
14150224b574
15ae318b3ae
hex6884957a2

28056311714 has 4 divisors (see below), whose sum is σ = 42084467574. Its totient is φ = 14028155856.

The previous prime is 28056311693. The next prime is 28056311729. The reversal of 28056311714 is 41711365082.

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

It can be written as a sum of positive squares in only one way, i.e., 28044526225 + 11785489 = 167465^2 + 3433^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7014077927 + ... + 7014077930.

Almost surely, 228056311714 is an apocalyptic number.

28056311714 is a deficient number, since it is larger than the sum of its proper divisors (14028155860).

28056311714 is a wasteful number, since it uses less digits than its factorization.

28056311714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14028155859.

The product of its (nonzero) digits is 40320, while the sum is 38.

Adding to 28056311714 its reverse (41711365082), we get a palindrome (69767676796).

The spelling of 28056311714 in words is "twenty-eight billion, fifty-six million, three hundred eleven thousand, seven hundred fourteen".

Divisors: 1 2 14028155857 28056311714