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2118199038 = 2313921112037
BaseRepresentation
bin111111001000001…
…0010011011111110
312110121202122211020
41332100102123332
513314224332123
6550104205010
7103330252254
oct17620223376
95417678736
102118199038
1199773931a
124b1469766
13279ac0617
141614665d4
15c5e5e7e3
hex7e4126fe

2118199038 has 32 divisors (see below), whose sum is σ = 4287454080. Its totient is φ = 697606560.

The previous prime is 2118199003. The next prime is 2118199043. The reversal of 2118199038 is 8309918112.

It is a Curzon number.

It is a congruent number.

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, 169956 + ... + 181992.

It is an arithmetic number, because the mean of its divisors is an integer number (133982940).

Almost surely, 22118199038 is an apocalyptic number.

2118199038 is an abundant number, since it is smaller than the sum of its proper divisors (2169255042).

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

2118199038 is a wasteful number, since it uses less digits than its factorization.

2118199038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12392.

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 2118199038 is about 46023.8963800328. The cubic root of 2118199038 is about 1284.2677853471.

The spelling of 2118199038 in words is "two billion, one hundred eighteen million, one hundred ninety-nine thousand, thirty-eight".

Divisors: 1 2 3 6 139 211 278 417 422 633 834 1266 12037 24074 29329 36111 58658 72222 87987 175974 1673143 2539807 3346286 5019429 5079614 7619421 10038858 15238842 353033173 706066346 1059099519 2118199038