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143001313 = 7137122133
BaseRepresentation
bin10001000011000…
…00011011100001
3100222002012220221
420201200123201
5243102020223
622105003041
73354330310
oct1041403341
9328065827
10143001313
11737a2004
123ba83481
132381b480
1414dc6277
15c84ab5d
hex88606e1

143001313 has 16 divisors (see below), whose sum is σ = 178488576. Its totient is φ = 111545280.

The previous prime is 143001311. The next prime is 143001323. The reversal of 143001313 is 313100341.

It is not a de Polignac number, because 143001313 - 21 = 143001311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143001311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4606 + ... + 17527.

It is an arithmetic number, because the mean of its divisors is an integer number (11155536).

Almost surely, 2143001313 is an apocalyptic number.

143001313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

143001313 is a deficient number, since it is larger than the sum of its proper divisors (35487263).

143001313 is a wasteful number, since it uses less digits than its factorization.

143001313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22224.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 143001313 is about 11958.3156422633. The cubic root of 143001313 is about 522.9337536600.

Adding to 143001313 its reverse (313100341), we get a palindrome (456101654).

The spelling of 143001313 in words is "one hundred forty-three million, one thousand, three hundred thirteen".

Divisors: 1 7 13 71 91 497 923 6461 22133 154931 287729 1571443 2014103 11000101 20428759 143001313