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26980099 is a prime number
BaseRepresentation
bin110011011101…
…0111100000011
31212202201201221
41212322330003
523401330344
62402135511
7445220116
oct146727403
955681657
1026980099
1114258603
129051597
135788573
14382457d
15257e184
hex19baf03

26980099 has 2 divisors, whose sum is σ = 26980100. Its totient is φ = 26980098.

The previous prime is 26980097. The next prime is 26980103. The reversal of 26980099 is 99008962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26980099 - 21 = 26980097 is a prime.

Together with 26980097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26980097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13490049 + 13490050.

It is an arithmetic number, because the mean of its divisors is an integer number (13490050).

Almost surely, 226980099 is an apocalyptic number.

26980099 is a deficient number, since it is larger than the sum of its proper divisors (1).

26980099 is an equidigital number, since it uses as much as digits as its factorization.

26980099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 26980099 is about 5194.2370950891. The cubic root of 26980099 is about 299.9262744759.

The spelling of 26980099 in words is "twenty-six million, nine hundred eighty thousand, ninety-nine".