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1312304002 = 2991662111
BaseRepresentation
bin100111000111000…
…0010101110000010
310101110022221122221
41032032002232002
510141422212002
6334115121254
744343254122
oct11616025602
93343287587
101312304002
11613841469
123075a322a
1317bb55459
14c6404c82
157a320c37
hex4e382b82

1312304002 has 8 divisors (see below), whose sum is σ = 1970445312. Its totient is φ = 655488900.

The previous prime is 1312303999. The next prime is 1312304011. The reversal of 1312304002 is 2004032131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329074 + ... + 333037.

It is an arithmetic number, because the mean of its divisors is an integer number (246305664).

Almost surely, 21312304002 is an apocalyptic number.

1312304002 is a deficient number, since it is larger than the sum of its proper divisors (658141310).

1312304002 is an equidigital number, since it uses as much as digits as its factorization.

1312304002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663104.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1312304002 is about 36225.7367350893. The cubic root of 1312304002 is about 1094.8252821324.

Adding to 1312304002 its reverse (2004032131), we get a palindrome (3316336133).

The spelling of 1312304002 in words is "one billion, three hundred twelve million, three hundred four thousand, two".

Divisors: 1 2 991 1982 662111 1324222 656152001 1312304002