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7661073330071 = 71094439047153
BaseRepresentation
bin110111101111011101110…
…0011011110111110010111
31000010101120101001122200022
41233132323203132332113
52001004334233030241
624143240513135355
71420331352600140
oct157367343367627
930111511048608
107661073330071
112494052197747
12a38925b5a55b
134375891b6665
141c6b25728ac7
15d443713854b
hex6f7bb8def97

7661073330071 has 4 divisors (see below), whose sum is σ = 8755512377232. Its totient is φ = 6566634282912.

The previous prime is 7661073330059. The next prime is 7661073330109. The reversal of 7661073330071 is 1700333701667.

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 7661073330071 - 210 = 7661073329047 is a prime.

It is a super-2 number, since 2×76610733300712 (a number of 27 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 (7661073330871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547219523570 + ... + 547219523583.

It is an arithmetic number, because the mean of its divisors is an integer number (2188878094308).

Almost surely, 27661073330071 is an apocalyptic number.

7661073330071 is a deficient number, since it is larger than the sum of its proper divisors (1094439047161).

7661073330071 is a wasteful number, since it uses less digits than its factorization.

7661073330071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094439047160.

The product of its (nonzero) digits is 333396, while the sum is 44.

The spelling of 7661073330071 in words is "seven trillion, six hundred sixty-one billion, seventy-three million, three hundred thirty thousand, seventy-one".

Divisors: 1 7 1094439047153 7661073330071