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143400168191 = 720485738313
BaseRepresentation
bin1000010110001101010…
…0001110101011111111
3111201010210201022122102
42011203110032223333
54322140420340231
6145513243135315
713234406214050
oct2054324165377
9451123638572
10143400168191
11558a77248a5
122396051453b
13106a4146537
146d25040727
153ae44adacb
hex216350eaff

143400168191 has 4 divisors (see below), whose sum is σ = 163885906512. Its totient is φ = 122914429872.

The previous prime is 143400168143. The next prime is 143400168217. The reversal of 143400168191 is 191861004341.

It is a happy number.

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 143400168191 - 230 = 142326426367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143400164191) 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, 10242869150 + ... + 10242869163.

It is an arithmetic number, because the mean of its divisors is an integer number (40971476628).

Almost surely, 2143400168191 is an apocalyptic number.

143400168191 is a deficient number, since it is larger than the sum of its proper divisors (20485738321).

143400168191 is an equidigital number, since it uses as much as digits as its factorization.

143400168191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20485738320.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 143400168191 in words is "one hundred forty-three billion, four hundred million, one hundred sixty-eight thousand, one hundred ninety-one".

Divisors: 1 7 20485738313 143400168191