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28056310483 = 158393177131
BaseRepresentation
bin11010001000010010…
…010101001011010011
32200102021220020121111
4122020102111023103
5424424403413413
620520000034151
72012155463365
oct321022251323
980367806544
1028056310483
1110998068363
125530002957
1328517a5566
14150224ad35
15ae318ad3d
hex6884952d3

28056310483 has 4 divisors (see below), whose sum is σ = 28056646008. Its totient is φ = 28055974960.

The previous prime is 28056310441. The next prime is 28056310489. The reversal of 28056310483 is 38401365082.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 28056310483 - 233 = 19466375891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28056310489) 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, 69828 + ... + 246958.

It is an arithmetic number, because the mean of its divisors is an integer number (7014161502).

Almost surely, 228056310483 is an apocalyptic number.

28056310483 is a deficient number, since it is larger than the sum of its proper divisors (335525).

28056310483 is a wasteful number, since it uses less digits than its factorization.

28056310483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335524.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 28056310483 in words is "twenty-eight billion, fifty-six million, three hundred ten thousand, four hundred eighty-three".

Divisors: 1 158393 177131 28056310483