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28054524623 is a prime number
BaseRepresentation
bin11010001000001011…
…100001001011001111
32200102011112111212112
4122020023201023033
5424423424241443
620515453454235
72012134344656
oct321013411317
980364474775
1028054524623
1110997058644
12552b4a137b
1328512cb738
141501d0419d
15ae2e36b18
hex6882e12cf

28054524623 has 2 divisors, whose sum is σ = 28054524624. Its totient is φ = 28054524622.

The previous prime is 28054524607. The next prime is 28054524637. The reversal of 28054524623 is 32642545082.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28054524623 - 24 = 28054524607 is a prime.

It is a super-3 number, since 3×280545246233 (a number of 32 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28054524653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14027262311 + 14027262312.

It is an arithmetic number, because the mean of its divisors is an integer number (14027262312).

Almost surely, 228054524623 is an apocalyptic number.

28054524623 is a deficient number, since it is larger than the sum of its proper divisors (1).

28054524623 is an equidigital number, since it uses as much as digits as its factorization.

28054524623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 28054524623 in words is "twenty-eight billion, fifty-four million, five hundred twenty-four thousand, six hundred twenty-three".