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8068062161 = 15511520151
BaseRepresentation
bin1111000001110010…
…01101101111010001
3202211021111000122002
413200321031233101
5113010410442121
63412330323345
7403635253055
oct74071155721
922737430562
108068062161
113470235575
121691b89555
139b76838a3
14567743c65
15323491e0b
hex1e0e4dbd1

8068062161 has 4 divisors (see below), whose sum is σ = 8068597824. Its totient is φ = 8067526500.

The previous prime is 8068062091. The next prime is 8068062221. The reversal of 8068062161 is 1612608608.

8068062161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 8068062161 - 218 = 8067800017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8068062661) 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, 244565 + ... + 275586.

It is an arithmetic number, because the mean of its divisors is an integer number (2017149456).

Almost surely, 28068062161 is an apocalyptic number.

It is an amenable number.

8068062161 is a deficient number, since it is larger than the sum of its proper divisors (535663).

8068062161 is a wasteful number, since it uses less digits than its factorization.

8068062161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535662.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 8068062161 is about 89822.3923139436. The cubic root of 8068062161 is about 2005.6558374247.

The spelling of 8068062161 in words is "eight billion, sixty-eight million, sixty-two thousand, one hundred sixty-one".

Divisors: 1 15511 520151 8068062161