Search a number
-
+
119805169 = 1110891379
BaseRepresentation
bin1110010010000…
…01010011110001
322100102201210111
413021001103301
5221132231134
615515501321
72653220131
oct711012361
9270381714
10119805169
1161699440
1234157841
131ba89343
1411ca8ac1
15a7b7c64
hex72414f1

119805169 has 4 divisors (see below), whose sum is σ = 130696560. Its totient is φ = 108913780.

The previous prime is 119805151. The next prime is 119805211. The reversal of 119805169 is 961508911.

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 119805169 - 27 = 119805041 is a prime.

It is a super-2 number, since 2×1198051692 = 28706557038237122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119805139) 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, 5445679 + ... + 5445700.

It is an arithmetic number, because the mean of its divisors is an integer number (32674140).

Almost surely, 2119805169 is an apocalyptic number.

It is an amenable number.

119805169 is a deficient number, since it is larger than the sum of its proper divisors (10891391).

119805169 is a wasteful number, since it uses less digits than its factorization.

119805169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10891390.

The product of its (nonzero) digits is 19440, while the sum is 40.

The square root of 119805169 is about 10945.5547598100. The cubic root of 119805169 is about 492.9753288429.

The spelling of 119805169 in words is "one hundred nineteen million, eight hundred five thousand, one hundred sixty-nine".

Divisors: 1 11 10891379 119805169