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2019014441 = 17239117119
BaseRepresentation
bin111100001010111…
…1011011100101001
312012201010120010122
41320111323130221
513113331430231
6532202253025
7101014224323
oct17025733451
95181116118
102019014441
11946754484
124841b7175
132623a4002
14152208613
15bc3bb77b
hex7857b729

2019014441 has 4 divisors (see below), whose sum is σ = 2019148800. Its totient is φ = 2018880084.

The previous prime is 2019014369. The next prime is 2019014467. The reversal of 2019014441 is 1444109102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1444109102 = 2722054551.

It is a cyclic number.

It is not a de Polignac number, because 2019014441 - 210 = 2019013417 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 2019014441.

It is not an unprimeable number, because it can be changed into a prime (2019014141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41321 + ... + 75798.

It is an arithmetic number, because the mean of its divisors is an integer number (504787200).

Almost surely, 22019014441 is an apocalyptic number.

It is an amenable number.

2019014441 is a deficient number, since it is larger than the sum of its proper divisors (134359).

2019014441 is a wasteful number, since it uses less digits than its factorization.

2019014441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134358.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2019014441 is about 44933.4445708316. Note that the first 3 decimals coincide. The cubic root of 2019014441 is about 1263.9012452973.

The spelling of 2019014441 in words is "two billion, nineteen million, fourteen thousand, four hundred forty-one".

Divisors: 1 17239 117119 2019014441