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235215267169 is a prime number
BaseRepresentation
bin1101101100001111101…
…1000010010101100001
3211111010120000121110211
43123003323002111201
512323210102022134
6300020103254121
722664565532261
oct3330373022541
9744116017424
10235215267169
1190832982693
123970514a341
131924701427c
14b5550257a1
1561b9d77764
hex36c3ec2561

235215267169 has 2 divisors, whose sum is σ = 235215267170. Its totient is φ = 235215267168.

The previous prime is 235215267167. The next prime is 235215267173. The reversal of 235215267169 is 961762512532.

235215267169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235140617569 + 74649600 = 484913^2 + 8640^2 .

It is a cyclic number.

It is not a de Polignac number, because 235215267169 - 21 = 235215267167 is a prime.

It is a super-2 number, since 2×2352152671692 (a number of 24 digits) contains 22 as substring.

Together with 235215267167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (235215267167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117607633584 + 117607633585.

It is an arithmetic number, because the mean of its divisors is an integer number (117607633585).

Almost surely, 2235215267169 is an apocalyptic number.

It is an amenable number.

235215267169 is a deficient number, since it is larger than the sum of its proper divisors (1).

235215267169 is an equidigital number, since it uses as much as digits as its factorization.

235215267169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 49.

The spelling of 235215267169 in words is "two hundred thirty-five billion, two hundred fifteen million, two hundred sixty-seven thousand, one hundred sixty-nine".