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2143345120 = 25571913701
BaseRepresentation
bin111111111000000…
…1101100111100000
312112101002012202121
41333300031213200
513342144020440
6552403154024
7104054063410
oct17760154740
95471065677
102143345120
119aa953a04
124b9975914
13282086167
14164930640
15c827a34a
hex7fc0d9e0

2143345120 has 48 divisors (see below), whose sum is σ = 5787034848. Its totient is φ = 734860800.

The previous prime is 2143345109. The next prime is 2143345133. The reversal of 2143345120 is 215433412.

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 7 ways as a sum of consecutive naturals, for example, 955731 + ... + 957970.

It is an arithmetic number, because the mean of its divisors is an integer number (120563226).

Almost surely, 22143345120 is an apocalyptic number.

2143345120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143345120 is an abundant number, since it is smaller than the sum of its proper divisors (3643689728).

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

2143345120 is a wasteful number, since it uses less digits than its factorization.

2143345120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913723 (or 1913715 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2143345120 is about 46296.2754441435. The cubic root of 2143345120 is about 1289.3298444106.

Adding to 2143345120 its reverse (215433412), we get a palindrome (2358778532).

The spelling of 2143345120 in words is "two billion, one hundred forty-three million, three hundred forty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 1913701 3827402 7654804 9568505 13395907 15309608 19137010 26791814 30619216 38274020 53583628 61238432 66979535 76548040 107167256 133959070 153096080 214334512 267918140 306192160 428669024 535836280 1071672560 2143345120