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2138850848 = 2589751001
BaseRepresentation
bin111111101111100…
…0100011000100000
312112001121212210002
41333133010120200
513340021211343
6552122555132
7104000634521
oct17737043040
95461555702
102138850848
119a8364332
124b8368aa8
13281171624
141640c0848
15c7b8d8b8
hex7f7c4620

2138850848 has 24 divisors (see below), whose sum is σ = 4258181340. Its totient is φ = 1057408000.

The previous prime is 2138850829. The next prime is 2138850853. The reversal of 2138850848 is 8480588312.

It can be written as a sum of positive squares in 2 ways, for example, as 1926507664 + 212343184 = 43892^2 + 14572^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372653 + ... + 378348.

Almost surely, 22138850848 is an apocalyptic number.

It is an amenable number.

2138850848 is a deficient number, since it is larger than the sum of its proper divisors (2119330492).

2138850848 is an equidigital number, since it uses as much as digits as its factorization.

2138850848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751100 (or 751092 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 47.

The square root of 2138850848 is about 46247.7118136671. The cubic root of 2138850848 is about 1288.4280369473.

The spelling of 2138850848 in words is "two billion, one hundred thirty-eight million, eight hundred fifty thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 16 32 89 178 356 712 1424 2848 751001 1502002 3004004 6008008 12016016 24032032 66839089 133678178 267356356 534712712 1069425424 2138850848