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28950052907 is a prime number
BaseRepresentation
bin11010111101100011…
…101100000000101011
32202201120122001201202
4122331203230000223
5433242203143112
621144404034415
72043260250416
oct327543540053
982646561652
1028950052907
1111306606266
12573b392a0b
1329649ba929
141588c18b7d
15b4687d6c2
hex6bd8ec02b

28950052907 has 2 divisors, whose sum is σ = 28950052908. Its totient is φ = 28950052906.

The previous prime is 28950052883. The next prime is 28950052933. The reversal of 28950052907 is 70925005982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28950052907 - 230 = 27876311083 is a prime.

It is not a weakly prime, because it can be changed into another prime (28950052997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14475026453 + 14475026454.

It is an arithmetic number, because the mean of its divisors is an integer number (14475026454).

Almost surely, 228950052907 is an apocalyptic number.

28950052907 is a deficient number, since it is larger than the sum of its proper divisors (1).

28950052907 is an equidigital number, since it uses as much as digits as its factorization.

28950052907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 28950052907 in words is "twenty-eight billion, nine hundred fifty million, fifty-two thousand, nine hundred seven".