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3801857401 = 4780890583
BaseRepresentation
bin1110001010011011…
…1011110101111001
3100210221212100220101
43202212323311321
530241233414101
61425130555401
7163133153236
oct34246736571
910727770811
103801857401
11168105a811
128a1298b61
13487867984
14280cd678d
15173b86401
hexe29bbd79

3801857401 has 4 divisors (see below), whose sum is σ = 3882748032. Its totient is φ = 3720966772.

The previous prime is 3801857393. The next prime is 3801857417. The reversal of 3801857401 is 1047581083.

3801857401 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1047581083 = 2008952147.

It is a cyclic number.

It is not a de Polignac number, because 3801857401 - 23 = 3801857393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3801857461) 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, 40445245 + ... + 40445338.

It is an arithmetic number, because the mean of its divisors is an integer number (970687008).

Almost surely, 23801857401 is an apocalyptic number.

It is an amenable number.

3801857401 is a deficient number, since it is larger than the sum of its proper divisors (80890631).

3801857401 is an equidigital number, since it uses as much as digits as its factorization.

3801857401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80890630.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 3801857401 is about 61659.2037006642. The cubic root of 3801857401 is about 1560.7449599152.

The spelling of 3801857401 in words is "three billion, eight hundred one million, eight hundred fifty-seven thousand, four hundred one".

Divisors: 1 47 80890583 3801857401