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3801810091 = 71100953069
BaseRepresentation
bin1110001010011011…
…0000010010101011
3100210221202222000011
43202212300102223
530241230410331
61425125552351
7163132565302
oct34246602253
910727688004
103801810091
111681028212
128a12756b7
1348784c291
14280cc3439
15173b773b1
hexe29b04ab

3801810091 has 8 divisors (see below), whose sum is σ = 3859250400. Its totient is φ = 3744478080.

The previous prime is 3801810059. The next prime is 3801810109. The reversal of 3801810091 is 1900181083.

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 3801810091 - 25 = 3801810059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3801810391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45105 + ... + 98173.

It is an arithmetic number, because the mean of its divisors is an integer number (482406300).

Almost surely, 23801810091 is an apocalyptic number.

3801810091 is a deficient number, since it is larger than the sum of its proper divisors (57440309).

3801810091 is a wasteful number, since it uses less digits than its factorization.

3801810091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54149.

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 3801810091 is about 61658.8200584474. The cubic root of 3801810091 is about 1560.7384859612.

The spelling of 3801810091 in words is "three billion, eight hundred one million, eight hundred ten thousand, ninety-one".

Divisors: 1 71 1009 53069 71639 3767899 53546621 3801810091