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1068735361 = 1163918947
BaseRepresentation
bin111111101100111…
…001101110000001
32202111000101022011
4333230321232001
54142044012421
6254014412521
735325046351
oct7754715601
92674011264
101068735361
114a9300771
12259b01141
131405551b5
14a1d20b61
1563c5c4e1
hex3fb39b81

1068735361 has 4 divisors (see below), whose sum is σ = 1069655472. Its totient is φ = 1067815252.

The previous prime is 1068735359. The next prime is 1068735391. The reversal of 1068735361 is 1635378601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1635378601 = 11314472377.

It is a cyclic number.

It is not a de Polignac number, because 1068735361 - 21 = 1068735359 is a prime.

It is a super-2 number, since 2×10687353612 = 2284390543703600642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1068735341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458311 + ... + 460636.

It is an arithmetic number, because the mean of its divisors is an integer number (267413868).

Almost surely, 21068735361 is an apocalyptic number.

It is an amenable number.

1068735361 is a deficient number, since it is larger than the sum of its proper divisors (920111).

1068735361 is an equidigital number, since it uses as much as digits as its factorization.

1068735361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920110.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1068735361 is about 32691.5181813265. The cubic root of 1068735361 is about 1022.4060083018.

The spelling of 1068735361 in words is "one billion, sixty-eight million, seven hundred thirty-five thousand, three hundred sixty-one".

Divisors: 1 1163 918947 1068735361