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2173368140 = 225201154037
BaseRepresentation
bin1000000110001010…
…1111011101001100
312121110120112121022
42001202233131030
513422340240030
6555354453312
7104600216156
oct20142573514
95543515538
102173368140
11a1589a719
12507a34238
13288368768
14168907ad6
15cac0ade5
hex818af74c

2173368140 has 24 divisors (see below), whose sum is σ = 4566427152. Its totient is φ = 868898880.

The previous prime is 2173368107. The next prime is 2173368151. The reversal of 2173368140 is 418633712.

It is a self number, because there is not a number n which added to its sum of digits gives 2173368140.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13202 + ... + 67238.

It is an arithmetic number, because the mean of its divisors is an integer number (190267798).

Almost surely, 22173368140 is an apocalyptic number.

2173368140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2173368140 is an abundant number, since it is smaller than the sum of its proper divisors (2393059012).

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

2173368140 is a wasteful number, since it uses less digits than its factorization.

2173368140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56057 (or 56055 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 2173368140 is about 46619.3966069918. The cubic root of 2173368140 is about 1295.3220707259.

The spelling of 2173368140 in words is "two billion, one hundred seventy-three million, three hundred sixty-eight thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 2011 4022 8044 10055 20110 40220 54037 108074 216148 270185 540370 1080740 108668407 217336814 434673628 543342035 1086684070 2173368140