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1201343012 = 221717666809
BaseRepresentation
bin100011110011011…
…0000101000100100
310002201112112210122
41013212300220210
54430020434022
6315112541112
741525150522
oct10746605044
93081475718
101201343012
11567143871
122963b1798
13161b7486c
14b579d312
1570703742
hex479b0a24

1201343012 has 12 divisors (see below), whose sum is σ = 2226018060. Its totient is φ = 565337856.

The previous prime is 1201342993. The next prime is 1201343051. The reversal of 1201343012 is 2103431021.

It can be written as a sum of positive squares in 2 ways, for example, as 1125199936 + 76143076 = 33544^2 + 8726^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 8833337 + ... + 8833472.

It is an arithmetic number, because the mean of its divisors is an integer number (185501505).

Almost surely, 21201343012 is an apocalyptic number.

It is an amenable number.

1201343012 is a deficient number, since it is larger than the sum of its proper divisors (1024675048).

1201343012 is a wasteful number, since it uses less digits than its factorization.

1201343012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17666830 (or 17666828 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1201343012 is about 34660.3954391752. The cubic root of 1201343012 is about 1063.0548556063.

Adding to 1201343012 its reverse (2103431021), we get a palindrome (3304774033).

The spelling of 1201343012 in words is "one billion, two hundred one million, three hundred forty-three thousand, twelve".

Divisors: 1 2 4 17 34 68 17666809 35333618 70667236 300335753 600671506 1201343012