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7442118112447 = 10177243953929
BaseRepresentation
bin110110001001100000011…
…0011100111010010111111
3222100110102000012010220201
41230103000303213102333
51433412424214044242
623454510055024331
71365450424134034
oct154230063472277
928313360163821
107442118112447
11240a203727a37
12a023ba36b0a7
1341ca33aa92a5
141ba2b400938b
15cd8bea234b7
hex6c4c0ce74bf

7442118112447 has 8 divisors (see below), whose sum is σ = 7515907629840. Its totient is φ = 7368330657600.

The previous prime is 7442118112423. The next prime is 7442118112453.

7442118112447 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7442118112447 - 231 = 7439970628799 is a prime.

It is a super-2 number, since 2×74421181124472 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7442118112397 and 7442118112406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7442118112477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7324579 + ... + 8278507.

It is an arithmetic number, because the mean of its divisors is an integer number (939488453730).

Almost surely, 27442118112447 is an apocalyptic number.

7442118112447 is a deficient number, since it is larger than the sum of its proper divisors (73789517393).

7442118112447 is a wasteful number, since it uses less digits than its factorization.

7442118112447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031273.

The product of its digits is 401408, while the sum is 46.

The spelling of 7442118112447 in words is "seven trillion, four hundred forty-two billion, one hundred eighteen million, one hundred twelve thousand, four hundred forty-seven".

Divisors: 1 101 77243 953929 7801543 96346829 73684337747 7442118112447