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42002202143 = 113818382013
BaseRepresentation
bin100111000111100001…
…101011111000011111
311000102012112221111102
4213013201223320133
51142010030432033
631143500543315
73014565553556
oct470741537037
9130365487442
1042002202143
11168a416a160
128182551b3b
133c64b1b065
14206647ad9d
15115c681de8
hex9c786be1f

42002202143 has 4 divisors (see below), whose sum is σ = 45820584168. Its totient is φ = 38183820120.

The previous prime is 42002202091. The next prime is 42002202163. The reversal of 42002202143 is 34120220024.

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 42002202143 - 26 = 42002202079 is a prime.

It is a super-2 number, since 2×420022021432 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42002202163) 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, 1909190996 + ... + 1909191017.

It is an arithmetic number, because the mean of its divisors is an integer number (11455146042).

Almost surely, 242002202143 is an apocalyptic number.

42002202143 is a deficient number, since it is larger than the sum of its proper divisors (3818382025).

42002202143 is a wasteful number, since it uses less digits than its factorization.

42002202143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3818382024.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 42002202143 its reverse (34120220024), we get a palindrome (76122422167).

The spelling of 42002202143 in words is "forty-two billion, two million, two hundred two thousand, one hundred forty-three".

Divisors: 1 11 3818382013 42002202143