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7142043845069 = 71020291977867
BaseRepresentation
bin110011111101110001011…
…1111001000000111001101
3221021202212022111221110222
41213323202333020013031
51414003401211020234
623105002030041125
71334665335012410
oct147734277100715
927252768457428
107142043845069
112303a18615541
129742140491a5
133ca6517766b3
141a9969093b77
15c5baaa9442e
hex67ee2fc81cd

7142043845069 has 4 divisors (see below), whose sum is σ = 8162335822944. Its totient is φ = 6121751867196.

The previous prime is 7142043845047. The next prime is 7142043845089. The reversal of 7142043845069 is 9605483402417.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7142043845069 - 224 = 7142027067853 is a prime.

It is a super-2 number, since 2×71420438450692 (a number of 27 digits) contains 22 as substring.

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 7142043845069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142043845039) 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, 510145988927 + ... + 510145988940.

It is an arithmetic number, because the mean of its divisors is an integer number (2040583955736).

It is a 1-persistent number, because it is pandigital, but 2⋅7142043845069 = 14284087690138 is not.

Almost surely, 27142043845069 is an apocalyptic number.

It is an amenable number.

7142043845069 is a deficient number, since it is larger than the sum of its proper divisors (1020291977875).

7142043845069 is a wasteful number, since it uses less digits than its factorization.

7142043845069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020291977874.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 7142043845069 in words is "seven trillion, one hundred forty-two billion, forty-three million, eight hundred forty-five thousand, sixty-nine".

Divisors: 1 7 1020291977867 7142043845069