Search a number
-
+
29115825841 = 972777108089
BaseRepresentation
bin11011000111011100…
…000011111010110001
32210011010120012110001
4123013130003322301
5434112122411331
621213045110001
72050342302424
oct330734037261
983133505401
1029115825841
1111391140993
1257869b8301
13299014cc1b
1415a2c4b9bb
15b561c6561
hex6c7703eb1

29115825841 has 8 divisors (see below), whose sum is σ = 29426853960. Its totient is φ = 28805019648.

The previous prime is 29115825811. The next prime is 29115825857. The reversal of 29115825841 is 14852851192.

It can be written as a sum of positive squares in 4 ways, for example, as 1294920225 + 27820905616 = 35985^2 + 166796^2 .

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 29115825841 - 213 = 29115817649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29115825791 and 29115825800.

It is not an unprimeable number, because it can be changed into a prime (29115825811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215325 + ... + 323413.

It is an arithmetic number, because the mean of its divisors is an integer number (3678356745).

Almost surely, 229115825841 is an apocalyptic number.

It is an amenable number.

29115825841 is a deficient number, since it is larger than the sum of its proper divisors (311028119).

29115825841 is a wasteful number, since it uses less digits than its factorization.

29115825841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110963.

The product of its digits is 230400, while the sum is 46.

The spelling of 29115825841 in words is "twenty-nine billion, one hundred fifteen million, eight hundred twenty-five thousand, eight hundred forty-one".

Divisors: 1 97 2777 108089 269369 10484633 300163153 29115825841