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2143454130 = 233512316449
BaseRepresentation
bin111111111000010…
…1000001110110010
312112101021202022000
41333300220032302
513342211013010
6552405354430
7104055026256
oct17760501662
95471252260
102143454130
119aaa188a4
124b9a08a16
132820c396c
1416495c266
15c829c7c0
hex7fc283b2

2143454130 has 64 divisors (see below), whose sum is σ = 5721408000. Its totient is φ = 571034880.

The previous prime is 2143454107. The next prime is 2143454207. The reversal of 2143454130 is 314543412.

It is a happy number.

2143454130 is a `hidden beast` number, since 214 + 34 + 5 + 413 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2143454094 and 2143454103.

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 31 ways as a sum of consecutive naturals, for example, 329146 + ... + 335594.

It is an arithmetic number, because the mean of its divisors is an integer number (89397000).

Almost surely, 22143454130 is an apocalyptic number.

2143454130 is an abundant number, since it is smaller than the sum of its proper divisors (3577953870).

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

2143454130 is a wasteful number, since it uses less digits than its factorization.

2143454130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7696 (or 7690 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2143454130 is about 46297.4527377047. The cubic root of 2143454130 is about 1289.3517023718.

Adding to 2143454130 its reverse (314543412), we get a palindrome (2457997542).

The spelling of 2143454130 in words is "two billion, one hundred forty-three million, four hundred fifty-four thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 1231 2462 3693 6155 6449 7386 11079 12310 12898 18465 19347 22158 32245 33237 36930 38694 55395 58041 64490 66474 96735 110790 116082 166185 174123 193470 290205 332370 348246 580410 870615 1741230 7938719 15877438 23816157 39693595 47632314 71448471 79387190 119080785 142896942 214345413 238161570 357242355 428690826 714484710 1071727065 2143454130