Search a number
-
+
119128405 = 5112165971
BaseRepresentation
bin1110001100111…
…00000101010101
322022011100110011
413012130011111
5220444102110
615453200221
72644401064
oct706340525
9268140404
10119128405
1161276a30
1233a90071
131b8b02a6
1411b701db
15a6d248a
hex719c155

119128405 has 8 divisors (see below), whose sum is σ = 155949984. Its totient is φ = 86638800.

The previous prime is 119128397. The next prime is 119128439. The reversal of 119128405 is 504821911.

It is a happy number.

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

It is not a de Polignac number, because 119128405 - 23 = 119128397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1082931 + ... + 1083040.

It is an arithmetic number, because the mean of its divisors is an integer number (19493748).

Almost surely, 2119128405 is an apocalyptic number.

It is an amenable number.

119128405 is a deficient number, since it is larger than the sum of its proper divisors (36821579).

119128405 is a wasteful number, since it uses less digits than its factorization.

119128405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165987.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 119128405 is about 10914.5959613721. The cubic root of 119128405 is about 492.0453240573.

The spelling of 119128405 in words is "one hundred nineteen million, one hundred twenty-eight thousand, four hundred five".

Divisors: 1 5 11 55 2165971 10829855 23825681 119128405