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2163419628 = 223180284969
BaseRepresentation
bin1000000011110011…
…0010100111101100
312120202212002210220
42000330302213230
513412313412003
6554401331340
7104416522566
oct20074624754
95522762726
102163419628
11a10215207
12504636b50
13286294476
14167478336
15c9de3353
hex80f329ec

2163419628 has 12 divisors (see below), whose sum is σ = 5047979160. Its totient is φ = 721139872.

The previous prime is 2163419627. The next prime is 2163419639. The reversal of 2163419628 is 8269143612.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2163419628.

It is not an unprimeable number, because it can be changed into a prime (2163419627) 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, 90142473 + ... + 90142496.

It is an arithmetic number, because the mean of its divisors is an integer number (420664930).

Almost surely, 22163419628 is an apocalyptic number.

It is an amenable number.

2163419628 is an abundant number, since it is smaller than the sum of its proper divisors (2884559532).

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

2163419628 is a wasteful number, since it uses less digits than its factorization.

2163419628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180284976 (or 180284974 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 2163419628 is about 46512.5749448469. The cubic root of 2163419628 is about 1293.3426177874.

The spelling of 2163419628 in words is "two billion, one hundred sixty-three million, four hundred nineteen thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 180284969 360569938 540854907 721139876 1081709814 2163419628