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143200431431 = 791812663689
BaseRepresentation
bin1000010101011101101…
…0010010110101000111
3111200121212212122022122
42011113122102311013
54321233302301211
6145441350120155
713226432404121
oct2052732226507
9450555778278
10143200431431
1155804a016a2
122390565005b
1310671951cc5
146d066ca211
153ad1ba76db
hex2157692d47

143200431431 has 4 divisors (see below), whose sum is σ = 145013095200. Its totient is φ = 141387767664.

The previous prime is 143200431421. The next prime is 143200431433. The reversal of 143200431431 is 134134002341.

It is a happy number.

143200431431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 143200431431 - 226 = 143133322567 is a prime.

It is a super-2 number, since 2×1432004314312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 143200431431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143200431433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906331766 + ... + 906331923.

It is an arithmetic number, because the mean of its divisors is an integer number (36253273800).

Almost surely, 2143200431431 is an apocalyptic number.

143200431431 is a deficient number, since it is larger than the sum of its proper divisors (1812663769).

143200431431 is an equidigital number, since it uses as much as digits as its factorization.

143200431431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812663768.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 143200431431 its reverse (134134002341), we get a palindrome (277334433772).

The spelling of 143200431431 in words is "one hundred forty-three billion, two hundred million, four hundred thirty-one thousand, four hundred thirty-one".

Divisors: 1 79 1812663689 143200431431