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12119080 = 235302977
BaseRepresentation
bin101110001110…
…110000101000
3211210201020211
4232032300220
511100302310
61111430504
7205003411
oct56166050
924721224
1012119080
116928276
124085434
13268426c
141876808
1510e5c8a
hexb8ec28

12119080 has 16 divisors (see below), whose sum is σ = 27268020. Its totient is φ = 4847616.

The previous prime is 12119069. The next prime is 12119087. The reversal of 12119080 is 8091121.

It can be written as a sum of positive squares in 2 ways, for example, as 10536516 + 1582564 = 3246^2 + 1258^2 .

It is not an unprimeable number, because it can be changed into a prime (12119087) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 151449 + ... + 151528.

Almost surely, 212119080 is an apocalyptic number.

12119080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12119080 is an abundant number, since it is smaller than the sum of its proper divisors (15148940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12119080 is a wasteful number, since it uses less digits than its factorization.

12119080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302988 (or 302984 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 12119080 is about 3481.2469030507. The cubic root of 12119080 is about 229.6976493425.

The spelling of 12119080 in words is "twelve million, one hundred nineteen thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 302977 605954 1211908 1514885 2423816 3029770 6059540 12119080