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2144212506 = 23341968479
BaseRepresentation
bin111111111001110…
…0001011000011010
312112102201021121000
41333303201120122
513342404300011
6552433525430
7104064335262
oct17763413032
95472637530
102144212506
11a00396657
124ba113876
132822cabc7
14164ab87a2
15c839c356
hex7fce161a

2144212506 has 32 divisors (see below), whose sum is σ = 4881139200. Its totient is φ = 697304160.

The previous prime is 2144212489. The next prime is 2144212519. The reversal of 2144212506 is 6052124412.

2144212506 is a `hidden beast` number, since 2 + 144 + 2 + 12 + 506 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2144212506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482026 + ... + 486453.

It is an arithmetic number, because the mean of its divisors is an integer number (152535600).

Almost surely, 22144212506 is an apocalyptic number.

2144212506 is an abundant number, since it is smaller than the sum of its proper divisors (2736926694).

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

2144212506 is a wasteful number, since it uses less digits than its factorization.

2144212506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968531 (or 968525 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2144212506 is about 46305.6422695982. The cubic root of 2144212506 is about 1289.5037463827.

Adding to 2144212506 its reverse (6052124412), we get a palindrome (8196336918).

The spelling of 2144212506 in words is "two billion, one hundred forty-four million, two hundred twelve thousand, five hundred six".

Divisors: 1 2 3 6 9 18 27 41 54 82 123 246 369 738 1107 2214 968479 1936958 2905437 5810874 8716311 17432622 26148933 39707639 52297866 79415278 119122917 238245834 357368751 714737502 1072106253 2144212506