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268161701 is a prime number
BaseRepresentation
bin11111111101111…
…01001010100101
3200200121000200212
433332331022211
51022122133301
642335345205
76434223353
oct1776751245
9620530625
10268161701
11128408945
1275982205
1343731182
14278867d3
15188204bb
hexffbd2a5

268161701 has 2 divisors, whose sum is σ = 268161702. Its totient is φ = 268161700.

The previous prime is 268161661. The next prime is 268161713. The reversal of 268161701 is 107161862.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160022500 + 108139201 = 12650^2 + 10399^2 .

It is a cyclic number.

It is not a de Polignac number, because 268161701 - 218 = 267899557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268161781) 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, 134080850 + 134080851.

It is an arithmetic number, because the mean of its divisors is an integer number (134080851).

Almost surely, 2268161701 is an apocalyptic number.

It is an amenable number.

268161701 is a deficient number, since it is larger than the sum of its proper divisors (1).

268161701 is an equidigital number, since it uses as much as digits as its factorization.

268161701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 268161701 is about 16375.6435293395. The cubic root of 268161701 is about 644.8602152862.

It can be divided in two parts, 268161 and 701, that added together give a palindrome (268862).

The spelling of 268161701 in words is "two hundred sixty-eight million, one hundred sixty-one thousand, seven hundred one".