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1313144023 = 3741865619
BaseRepresentation
bin100111001000100…
…1111110011010111
310101111220121221211
41032101033303113
510142131102043
6334145122251
744353353142
oct11621176327
93344817854
101313144023
116142655a4
12307929387
1317c08a8c9
14c6583059
157a439a9d
hex4e44fcd7

1313144023 has 8 divisors (see below), whose sum is σ = 1381529520. Its totient is φ = 1246489920.

The previous prime is 1313143969. The next prime is 1313144033. The reversal of 1313144023 is 3204413131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313144023 - 229 = 776273111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313143985 and 1313144003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313144033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431293 + ... + 434326.

It is an arithmetic number, because the mean of its divisors is an integer number (172691190).

Almost surely, 21313144023 is an apocalyptic number.

1313144023 is a deficient number, since it is larger than the sum of its proper divisors (68385497).

1313144023 is an equidigital number, since it uses as much as digits as its factorization.

1313144023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865697.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1313144023 is about 36237.3291372309. The cubic root of 1313144023 is about 1095.0588357564.

Adding to 1313144023 its reverse (3204413131), we get a palindrome (4517557154).

The spelling of 1313144023 in words is "one billion, three hundred thirteen million, one hundred forty-four thousand, twenty-three".

Divisors: 1 37 41 1517 865619 32027903 35490379 1313144023