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28552350647 is a prime number
BaseRepresentation
bin11010100101110110…
…100100101110110111
32201200212021200210102
4122211312210232313
5431433400210042
621041115544315
72030360655542
oct324566445667
981625250712
1028552350647
111112206a707
12564a15b09b
1329004a2152
14154c091859
15b219c0b32
hex6a5da4bb7

28552350647 has 2 divisors, whose sum is σ = 28552350648. Its totient is φ = 28552350646.

The previous prime is 28552350637. The next prime is 28552350649. The reversal of 28552350647 is 74605325582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28552350647 - 26 = 28552350583 is a prime.

Together with 28552350649, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28552350649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14276175323 + 14276175324.

It is an arithmetic number, because the mean of its divisors is an integer number (14276175324).

Almost surely, 228552350647 is an apocalyptic number.

28552350647 is a deficient number, since it is larger than the sum of its proper divisors (1).

28552350647 is an equidigital number, since it uses as much as digits as its factorization.

28552350647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 28552350647 in words is "twenty-eight billion, five hundred fifty-two million, three hundred fifty thousand, six hundred forty-seven".