Search a number
-
+
7161066069 = 312718795449
BaseRepresentation
bin1101010101101010…
…10011001001010101
3200111001210211220020
412222311103021111
5104131213103234
63142330255353
7342313025433
oct65265231125
920431724806
107161066069
113045264a23
12147a287559
138a17aaa01
144bd0c5d53
152bda32549
hex1aad53255

7161066069 has 8 divisors (see below), whose sum is σ = 9623270400. Its totient is φ = 4736452896.

The previous prime is 7161066053. The next prime is 7161066083. The reversal of 7161066069 is 9606601617.

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

It is not a de Polignac number, because 7161066069 - 24 = 7161066053 is a prime.

It is a super-2 number, since 2×71610660692 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7161066069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7161064069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9397344 + ... + 9398105.

It is an arithmetic number, because the mean of its divisors is an integer number (1202908800).

Almost surely, 27161066069 is an apocalyptic number.

It is an amenable number.

7161066069 is a deficient number, since it is larger than the sum of its proper divisors (2462204331).

7161066069 is a wasteful number, since it uses less digits than its factorization.

7161066069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18795579.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 7161066069 is about 84623.0823652743. The cubic root of 7161066069 is about 1927.4918934928.

The spelling of 7161066069 in words is "seven billion, one hundred sixty-one million, sixty-six thousand, sixty-nine".

Divisors: 1 3 127 381 18795449 56386347 2387022023 7161066069