Search a number
-
+
38234594891 = 71538515421
BaseRepresentation
bin100011100110111101…
…011001111001001011
310122200122010122222002
4203212331121321023
51111301024014031
625321552021215
72522326460063
oct434675317113
9118618118862
1038234594891
1115240483059
1274b083180b
1337b43b5a5c
141bc9d3c3a3
15edba13ccb
hex8e6f59e4b

38234594891 has 4 divisors (see below), whose sum is σ = 38773110384. Its totient is φ = 37696079400.

The previous prime is 38234594863. The next prime is 38234594933. The reversal of 38234594891 is 19849543283.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38234594891 - 210 = 38234593867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38234594851) 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, 269257640 + ... + 269257781.

It is an arithmetic number, because the mean of its divisors is an integer number (9693277596).

Almost surely, 238234594891 is an apocalyptic number.

38234594891 is a deficient number, since it is larger than the sum of its proper divisors (538515493).

38234594891 is an equidigital number, since it uses as much as digits as its factorization.

38234594891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538515492.

The product of its digits is 7464960, while the sum is 56.

The spelling of 38234594891 in words is "thirty-eight billion, two hundred thirty-four million, five hundred ninety-four thousand, eight hundred ninety-one".

Divisors: 1 71 538515421 38234594891