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1313101144 = 23164137643
BaseRepresentation
bin100111001000100…
…0101010101011000
310101111211110010201
41032101011111120
510142123214034
6334144151544
744353114135
oct11621052530
93344743121
101313101144
11614236363
123079085b4
1317c074234
14c657158c
157a42c014
hex4e445558

1313101144 has 8 divisors (see below), whose sum is σ = 2462064660. Its totient is φ = 656550568.

The previous prime is 1313101123. The next prime is 1313101147. The reversal of 1313101144 is 4411013131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×13131011443 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313101147) by changing a digit.

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 as a sum of consecutive naturals, namely, 82068814 + ... + 82068829.

Almost surely, 21313101144 is an apocalyptic number.

It is an amenable number.

1313101144 is a deficient number, since it is larger than the sum of its proper divisors (1148963516).

1313101144 is a wasteful number, since it uses less digits than its factorization.

1313101144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164137649 (or 164137645 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1313101144 is about 36236.7374911153. The cubic root of 1313101144 is about 1095.0469163888.

Adding to 1313101144 its reverse (4411013131), we get a palindrome (5724114275).

The spelling of 1313101144 in words is "one billion, three hundred thirteen million, one hundred one thousand, one hundred forty-four".

Divisors: 1 2 4 8 164137643 328275286 656550572 1313101144