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1345466665 = 51944931543
BaseRepresentation
bin101000000110010…
…0011000100101001
310110202201210021201
41100030203010221
510223414413130
6341302004201
745225164224
oct12014430451
93422653251
101345466665
11630532024
12316716661
13185996b2a
14ca9985bb
157d1c1bca
hex50323129

1345466665 has 16 divisors (see below), whose sum is σ = 1703376000. Its totient is φ = 1017418752.

The previous prime is 1345466663. The next prime is 1345466669. The reversal of 1345466665 is 5666645431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1345466665 - 21 = 1345466663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1345466663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26884 + ... + 58426.

It is an arithmetic number, because the mean of its divisors is an integer number (106461000).

Almost surely, 21345466665 is an apocalyptic number.

It is an amenable number.

1345466665 is a deficient number, since it is larger than the sum of its proper divisors (357909335).

1345466665 is a wasteful number, since it uses less digits than its factorization.

1345466665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32016.

The product of its digits is 1555200, while the sum is 46.

The square root of 1345466665 is about 36680.6033892574. The cubic root of 1345466665 is about 1103.9709549284.

The spelling of 1345466665 in words is "one billion, three hundred forty-five million, four hundred sixty-six thousand, six hundred sixty-five".

Divisors: 1 5 19 95 449 2245 8531 31543 42655 157715 599317 2996585 14162807 70814035 269093333 1345466665