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7072066212737 = 13034695425573
BaseRepresentation
bin110011011101001011111…
…1111101001001110000001
3221001002020110020220021112
41212322113333221032001
51411332042422301422
623012510134333105
71326640251652541
oct146722777511601
927032213226245
107072066212737
112287279010649
129627447ba195
133c3b7bb61066
141a640b421321
15c3e62400ee2
hex66e97fe9381

7072066212737 has 4 divisors (see below), whose sum is σ = 7072072941780. Its totient is φ = 7072059483696.

The previous prime is 7072066212707. The next prime is 7072066212779. The reversal of 7072066212737 is 7372126602707.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4168146892816 + 2903919319921 = 2041604^2 + 1704089^2 .

It is a cyclic number.

It is not a de Polignac number, because 7072066212737 - 214 = 7072066196353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7072066212707) 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, 1409318 + ... + 4016255.

It is an arithmetic number, because the mean of its divisors is an integer number (1768018235445).

Almost surely, 27072066212737 is an apocalyptic number.

It is an amenable number.

7072066212737 is a deficient number, since it is larger than the sum of its proper divisors (6729043).

7072066212737 is a wasteful number, since it uses less digits than its factorization.

7072066212737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6729042.

The product of its (nonzero) digits is 2074464, while the sum is 50.

The spelling of 7072066212737 in words is "seven trillion, seventy-two billion, sixty-six million, two hundred twelve thousand, seven hundred thirty-seven".

Divisors: 1 1303469 5425573 7072066212737