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3801814873 = 17223636169
BaseRepresentation
bin1110001010011011…
…0001011101011001
3100210221210012120021
43202212301131121
530241231033443
61425130030441
7163132615243
oct34246613531
910727705507
103801814873
11168103086a
128a1278421
134878514cc
14280cc5093
15173b789ed
hexe29b1759

3801814873 has 4 divisors (see below), whose sum is σ = 4025451060. Its totient is φ = 3578178688.

The previous prime is 3801814853. The next prime is 3801814879. The reversal of 3801814873 is 3784181083.

3801814873 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3784181083 = 33191140157.

It can be written as a sum of positive squares in 2 ways, for example, as 1050602569 + 2751212304 = 32413^2 + 52452^2 .

It is a cyclic number.

It is not a de Polignac number, because 3801814873 - 29 = 3801814361 is a prime.

It is a super-2 number, since 2×38018148732 = 28907592657128012258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3801814879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111818068 + ... + 111818101.

It is an arithmetic number, because the mean of its divisors is an integer number (1006362765).

Almost surely, 23801814873 is an apocalyptic number.

It is an amenable number.

3801814873 is a deficient number, since it is larger than the sum of its proper divisors (223636187).

3801814873 is a wasteful number, since it uses less digits than its factorization.

3801814873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223636186.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 3801814873 is about 61658.8588363424. The cubic root of 3801814873 is about 1560.7391403379.

The spelling of 3801814873 in words is "three billion, eight hundred one million, eight hundred fourteen thousand, eight hundred seventy-three".

Divisors: 1 17 223636169 3801814873