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161110112 = 255034691
BaseRepresentation
bin10011001101001…
…01100001100000
3102020011020112012
421212211201200
5312221010422
623553052052
73664261532
oct1146454140
9366136465
10161110112
1182a40459
1245b57028
13274bbb37
141757b852
15e2264e2
hex99a5860

161110112 has 12 divisors (see below), whose sum is σ = 317185596. Its totient is φ = 80555040.

The previous prime is 161110073. The next prime is 161110153. The reversal of 161110112 is 211011161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2517314 + ... + 2517377.

It is an arithmetic number, because the mean of its divisors is an integer number (26432133).

Almost surely, 2161110112 is an apocalyptic number.

It is an amenable number.

161110112 is a deficient number, since it is larger than the sum of its proper divisors (156075484).

161110112 is an equidigital number, since it uses as much as digits as its factorization.

161110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5034701 (or 5034693 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

The square root of 161110112 is about 12692.9158194640. The cubic root of 161110112 is about 544.1361755402.

Adding to 161110112 its reverse (211011161), we get a palindrome (372121273).

The spelling of 161110112 in words is "one hundred sixty-one million, one hundred ten thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 5034691 10069382 20138764 40277528 80555056 161110112