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28219026107 is a prime number
BaseRepresentation
bin11010010001111111…
…000010101010111011
32200211122002001111002
4122101333002222323
5430243032313412
620544051355215
72016202523066
oct322177025273
980748061432
1028219026107
1110a709a4a88
1255765b2b0b
1328794070ac
141519ac58dd
15b025ccdc2
hex691fc2abb

28219026107 has 2 divisors, whose sum is σ = 28219026108. Its totient is φ = 28219026106.

The previous prime is 28219026083. The next prime is 28219026133. The reversal of 28219026107 is 70162091282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28219026107 - 222 = 28214831803 is a prime.

It is not a weakly prime, because it can be changed into another prime (28219026137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14109513053 + 14109513054.

It is an arithmetic number, because the mean of its divisors is an integer number (14109513054).

Almost surely, 228219026107 is an apocalyptic number.

28219026107 is a deficient number, since it is larger than the sum of its proper divisors (1).

28219026107 is an equidigital number, since it uses as much as digits as its factorization.

28219026107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 28219026107 in words is "twenty-eight billion, two hundred nineteen million, twenty-six thousand, one hundred seven".