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2068192160 = 255109118589
BaseRepresentation
bin111101101000110…
…0001101110100000
312100010200001021122
41323101201232200
513213424122120
6541120311412
7102152225516
oct17321415640
95303601248
102068192160
11971493421
12498772568
1326c632058
1415896a4b6
15c1882a25
hex7b461ba0

2068192160 has 48 divisors (see below), whose sum is σ = 4930972200. Its totient is φ = 819680256.

The previous prime is 2068192153. The next prime is 2068192163. The reversal of 2068192160 is 612918602.

It can be written as a sum of positive squares in 4 ways, for example, as 1109422864 + 958769296 = 33308^2 + 30964^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2068192160.

It is not an unprimeable number, because it can be changed into a prime (2068192163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41855 + ... + 76734.

Almost surely, 22068192160 is an apocalyptic number.

2068192160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2068192160 is an abundant number, since it is smaller than the sum of its proper divisors (2862780040).

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

2068192160 is a wasteful number, since it uses less digits than its factorization.

2068192160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118713 (or 118705 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 2068192160 is about 45477.3807513142. The cubic root of 2068192160 is about 1274.0807748297.

The spelling of 2068192160 in words is "two billion, sixty-eight million, one hundred ninety-two thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 109 160 218 436 545 872 1090 1744 2180 3488 4360 8720 17440 118589 237178 474356 592945 948712 1185890 1897424 2371780 3794848 4743560 9487120 12926201 18974240 25852402 51704804 64631005 103409608 129262010 206819216 258524020 413638432 517048040 1034096080 2068192160