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368068681 is a prime number
BaseRepresentation
bin10101111100000…
…100100001001001
3221122120211022101
4111330010201021
51223211144211
6100304553401
712056350351
oct2574044111
9848524271
10368068681
111798464a2
12a3322861
135b341526
1436c51b61
15224a75c1
hex15f04849

368068681 has 2 divisors, whose sum is σ = 368068682. Its totient is φ = 368068680.

The previous prime is 368068661. The next prime is 368068769. The reversal of 368068681 is 186860863.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328189456 + 39879225 = 18116^2 + 6315^2 .

It is a cyclic number.

It is not a de Polignac number, because 368068681 - 27 = 368068553 is a prime.

It is a super-2 number, since 2×3680686812 = 270949107866159522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (368068601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184034340 + 184034341.

It is an arithmetic number, because the mean of its divisors is an integer number (184034341).

Almost surely, 2368068681 is an apocalyptic number.

It is an amenable number.

368068681 is a deficient number, since it is larger than the sum of its proper divisors (1).

368068681 is an equidigital number, since it uses as much as digits as its factorization.

368068681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 368068681 is about 19185.1161320436. The cubic root of 368068681 is about 716.6541524646.

It can be divided in two parts, 3680 and 68681, that added together give a square (72361 = 2692).

The spelling of 368068681 in words is "three hundred sixty-eight million, sixty-eight thousand, six hundred eighty-one".