Search a number
-
+
12128142968 = 235417279863
BaseRepresentation
bin10110100101110010…
…01100011001111000
31011022020020111110022
423102321030121320
5144314301033333
65323244110012
7606355341254
oct132271143170
934266214408
1012128142968
115164025357
122425835308
1311b387cc76
14830a57264
154aeb33c98
hex2d2e4c678

12128142968 has 16 divisors (see below), whose sum is σ = 22744547280. Its totient is φ = 6062930368.

The previous prime is 12128142919. The next prime is 12128142973. The reversal of 12128142968 is 86924182121.

12128142968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96596 + ... + 183267.

It is an arithmetic number, because the mean of its divisors is an integer number (1421534205).

Almost surely, 212128142968 is an apocalyptic number.

It is an amenable number.

12128142968 is a deficient number, since it is larger than the sum of its proper divisors (10616404312).

12128142968 is a wasteful number, since it uses less digits than its factorization.

12128142968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285286 (or 285282 counting only the distinct ones).

The product of its digits is 110592, while the sum is 44.

The spelling of 12128142968 in words is "twelve billion, one hundred twenty-eight million, one hundred forty-two thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 5417 10834 21668 43336 279863 559726 1119452 2238904 1516017871 3032035742 6064071484 12128142968