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2154250097 is a prime number
BaseRepresentation
bin1000000001100111…
…0011111101110001
312120010121020120122
42000121303331301
513402442000342
6553433020025
7104245552346
oct20031637561
95503536518
102154250097
11a06021a8a
12501554615
132844038cc
1416616c7cd
15c91d14d2
hex80673f71

2154250097 has 2 divisors, whose sum is σ = 2154250098. Its totient is φ = 2154250096.

The previous prime is 2154250069. The next prime is 2154250099. The reversal of 2154250097 is 7900524512.

2154250097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2031395041 + 122855056 = 45071^2 + 11084^2 .

It is a cyclic number.

It is not a de Polignac number, because 2154250097 - 214 = 2154233713 is a prime.

Together with 2154250099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2154250099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077125048 + 1077125049.

It is an arithmetic number, because the mean of its divisors is an integer number (1077125049).

Almost surely, 22154250097 is an apocalyptic number.

It is an amenable number.

2154250097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154250097 is an equidigital number, since it uses as much as digits as its factorization.

2154250097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 2154250097 is about 46413.8998253756. The cubic root of 2154250097 is about 1291.5127770896.

The spelling of 2154250097 in words is "two billion, one hundred fifty-four million, two hundred fifty thousand, ninety-seven".