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3801235021 = 7948116899
BaseRepresentation
bin1110001010010010…
…0011111001001101
3100210220200202011021
43202210203321031
530241104010041
61425105354141
7163124651563
oct34244437115
910726622137
103801235021
111680775151
128a1038951
134876aa5bc
14280bb3a33
15173ab1cd1
hexe2923e4d

3801235021 has 4 divisors (see below), whose sum is σ = 3849352000. Its totient is φ = 3753118044.

The previous prime is 3801235007. The next prime is 3801235043. The reversal of 3801235021 is 1205321083.

3801235021 is digitally balanced in base 2, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3801235021 - 27 = 3801234893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3801235621) 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, 24058371 + ... + 24058528.

It is an arithmetic number, because the mean of its divisors is an integer number (962338000).

Almost surely, 23801235021 is an apocalyptic number.

It is an amenable number.

3801235021 is a deficient number, since it is larger than the sum of its proper divisors (48116979).

3801235021 is an equidigital number, since it uses as much as digits as its factorization.

3801235021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48116978.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 3801235021 is about 61654.1565589864. The cubic root of 3801235021 is about 1560.6597884357.

The spelling of 3801235021 in words is "three billion, eight hundred one million, two hundred thirty-five thousand, twenty-one".

Divisors: 1 79 48116899 3801235021