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2148740318 = 26131752643
BaseRepresentation
bin1000000000010011…
…0010110011011110
312112202020022120202
42000010302303132
513400034142233
6553114543502
7104150664014
oct20004626336
95482208522
102148740318
11a029a944a
124bb737b92
13283224a9a
141655368b4
15c8993be8
hex80132cde

2148740318 has 8 divisors (see below), whose sum is σ = 3228370248. Its totient is φ = 1072616904.

The previous prime is 2148740309. The next prime is 2148740323. The reversal of 2148740318 is 8130478412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21487403182 = 9234169908397482248, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875096 + ... + 877547.

It is an arithmetic number, because the mean of its divisors is an integer number (403546281).

Almost surely, 22148740318 is an apocalyptic number.

2148740318 is a deficient number, since it is larger than the sum of its proper divisors (1079629930).

2148740318 is a wasteful number, since it uses less digits than its factorization.

2148740318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753258.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 2148740318 is about 46354.5069869155. The cubic root of 2148740318 is about 1290.4107655694.

The spelling of 2148740318 in words is "two billion, one hundred forty-eight million, seven hundred forty thousand, three hundred eighteen".

Divisors: 1 2 613 1226 1752643 3505286 1074370159 2148740318