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1068875399 = 1667641197
BaseRepresentation
bin111111101101011…
…011111010000111
32202111021111101202
4333231123322013
54142113003044
6254021413115
735326201544
oct7755337207
92674244352
101068875399
114a93969a9
12259b6a19b
131405a3b67
14a1d59bcb
1563c88c4e
hex3fb5be87

1068875399 has 4 divisors (see below), whose sum is σ = 1069518264. Its totient is φ = 1068232536.

The previous prime is 1068875383. The next prime is 1068875491. The reversal of 1068875399 is 9935788601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1068875399 - 24 = 1068875383 is a prime.

It is a super-2 number, since 2×10688753992 = 2284989237174818402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068875309) 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, 318932 + ... + 322265.

It is an arithmetic number, because the mean of its divisors is an integer number (267379566).

Almost surely, 21068875399 is an apocalyptic number.

1068875399 is a deficient number, since it is larger than the sum of its proper divisors (642865).

1068875399 is an equidigital number, since it uses as much as digits as its factorization.

1068875399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642864.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The square root of 1068875399 is about 32693.6599205412. The cubic root of 1068875399 is about 1022.4506621499.

The spelling of 1068875399 in words is "one billion, sixty-eight million, eight hundred seventy-five thousand, three hundred ninety-nine".

Divisors: 1 1667 641197 1068875399