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1131320670 = 23581146499
BaseRepresentation
bin100001101101110…
…1001010101011110
32220211210001012120
41003123221111132
54304104230140
6304132043410
740015031664
oct10333512536
92824701176
101131320670
11530667a67
12276a63566
131504c8b1c
14aa372c34
15694c11d0
hex436e955e

1131320670 has 32 divisors (see below), whose sum is σ = 2718576000. Its totient is φ = 301307040.

The previous prime is 1131320623. The next prime is 1131320681. The reversal of 1131320670 is 760231311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131320670.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081 + ... + 47579.

It is an arithmetic number, because the mean of its divisors is an integer number (84955500).

Almost surely, 21131320670 is an apocalyptic number.

1131320670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131320670 is an abundant number, since it is smaller than the sum of its proper divisors (1587255330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131320670 is a wasteful number, since it uses less digits than its factorization.

1131320670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47320.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1131320670 is about 33635.1106732236. The cubic root of 1131320670 is about 1041.9860563291.

Adding to 1131320670 its reverse (760231311), we get a palindrome (1891551981).

The spelling of 1131320670 in words is "one billion, one hundred thirty-one million, three hundred twenty thousand, six hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 811 1622 2433 4055 4866 8110 12165 24330 46499 92998 139497 232495 278994 464990 697485 1394970 37710689 75421378 113132067 188553445 226264134 377106890 565660335 1131320670