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143130043013 = 1109129062257
BaseRepresentation
bin1000010101001100110…
…1110010001010000101
3111200102222102112120012
42011103031302022011
54321112242334023
6145430353320005
713224616202066
oct2052315621205
9450388375505
10143130043013
11557791a5851
12238a5b66005
13106601a8759
146cdb20656d
153aca901978
hex2153372285

143130043013 has 4 divisors (see below), whose sum is σ = 143259106380. Its totient is φ = 143000979648.

The previous prime is 143130043009. The next prime is 143130043099. The reversal of 143130043013 is 310340031341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14678049409 + 128451993604 = 121153^2 + 358402^2 .

It is a cyclic number.

It is not a de Polignac number, because 143130043013 - 22 = 143130043009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143130043013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143130043513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64530020 + ... + 64532237.

It is an arithmetic number, because the mean of its divisors is an integer number (35814776595).

Almost surely, 2143130043013 is an apocalyptic number.

It is an amenable number.

143130043013 is a deficient number, since it is larger than the sum of its proper divisors (129063367).

143130043013 is a wasteful number, since it uses less digits than its factorization.

143130043013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129063366.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 143130043013 its reverse (310340031341), we get a palindrome (453470074354).

The spelling of 143130043013 in words is "one hundred forty-three billion, one hundred thirty million, forty-three thousand, thirteen".

Divisors: 1 1109 129062257 143130043013