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2119708643 = 13296954919
BaseRepresentation
bin111111001011000…
…0010111111100011
312110201121100121112
41332112002333203
513320121134033
6550200413535
7103346140403
oct17626027743
95421540545
102119708643
1199857a528
124b1a772ab
1327a1cb790
1416173a803
15c615bc48
hex7e582fe3

2119708643 has 8 divisors (see below), whose sum is σ = 2283573600. Its totient is φ = 1955959488.

The previous prime is 2119708603. The next prime is 2119708649. The reversal of 2119708643 is 3468079112.

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

It is a cyclic number.

It is not a de Polignac number, because 2119708643 - 210 = 2119707619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2119708643.

It is not an unprimeable number, because it can be changed into a prime (2119708649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11138 + ... + 66056.

It is an arithmetic number, because the mean of its divisors is an integer number (285446700).

Almost surely, 22119708643 is an apocalyptic number.

2119708643 is a deficient number, since it is larger than the sum of its proper divisors (163864957).

2119708643 is a wasteful number, since it uses less digits than its factorization.

2119708643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57901.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 2119708643 is about 46040.2936893326. The cubic root of 2119708643 is about 1284.5728049493.

The spelling of 2119708643 in words is "two billion, one hundred nineteen million, seven hundred eight thousand, six hundred forty-three".

Divisors: 1 13 2969 38597 54919 713947 163054511 2119708643