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161105114 = 2155351869
BaseRepresentation
bin10011001101001…
…00010011011010
3102020010222200002
421212210103122
5312220330424
623553013002
73664241132
oct1146442332
9366128602
10161105114
1182a37725
1245b54162
13274b9791
1417579ac2
15e224cae
hex99a44da

161105114 has 8 divisors (see below), whose sum is σ = 241817940. Its totient is φ = 80499136.

The previous prime is 161105111. The next prime is 161105149. The reversal of 161105114 is 411501161.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 131217025 + 29888089 = 11455^2 + 5467^2 .

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

It is not an unprimeable number, because it can be changed into a prime (161105111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22829 + ... + 29040.

Almost surely, 2161105114 is an apocalyptic number.

161105114 is a deficient number, since it is larger than the sum of its proper divisors (80712826).

161105114 is a wasteful number, since it uses less digits than its factorization.

161105114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53424.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 161105114 is about 12692.7189364612. The cubic root of 161105114 is about 544.1305487038.

Adding to 161105114 its reverse (411501161), we get a palindrome (572606275).

The spelling of 161105114 in words is "one hundred sixty-one million, one hundred five thousand, one hundred fourteen".

Divisors: 1 2 1553 3106 51869 103738 80552557 161105114