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1323101641 = 10312845647
BaseRepresentation
bin100111011011100…
…1110110111001001
310102012122112020111
41032313032313021
510202203223031
6335142354321
744534115121
oct11667166711
93365575214
101323101641
11619946934
1230b12b9a1
131811660a4
14c7a15c81
157b2551b1
hex4edcedc9

1323101641 has 4 divisors (see below), whose sum is σ = 1335947392. Its totient is φ = 1310255892.

The previous prime is 1323101599. The next prime is 1323101671. The reversal of 1323101641 is 1461013231.

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: 1461013231 = 8916415879.

It is a cyclic number.

It is not a de Polignac number, because 1323101641 - 27 = 1323101513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323101671) 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 in 3 ways as a sum of consecutive naturals, for example, 6422721 + ... + 6422926.

It is an arithmetic number, because the mean of its divisors is an integer number (333986848).

Almost surely, 21323101641 is an apocalyptic number.

It is an amenable number.

1323101641 is a deficient number, since it is larger than the sum of its proper divisors (12845751).

1323101641 is a wasteful number, since it uses less digits than its factorization.

1323101641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12845750.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1323101641 is about 36374.4641335099. The cubic root of 1323101641 is about 1097.8198253249.

Adding to 1323101641 its reverse (1461013231), we get a palindrome (2784114872).

The spelling of 1323101641 in words is "one billion, three hundred twenty-three million, one hundred one thousand, six hundred forty-one".

Divisors: 1 103 12845647 1323101641