Search a number
-
+
29435453989 = 71991418349
BaseRepresentation
bin11011011010011111…
…010110001000100101
32210222101222222211121
4123122133112020211
5440240434011424
621304503533541
72061303142054
oct333237261045
983871888747
1029435453989
1111535601287
125855a5a2b1
132a11430ac6
1415d349039b
15b742b0ee4
hex6da7d6225

29435453989 has 8 divisors (see below), whose sum is σ = 29880230400. Its totient is φ = 28991516400.

The previous prime is 29435453939. The next prime is 29435454017. The reversal of 29435453989 is 98935453492.

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 29435453989 - 213 = 29435445797 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 (29435453939) 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, 138814 + ... + 279535.

It is an arithmetic number, because the mean of its divisors is an integer number (3735028800).

Almost surely, 229435453989 is an apocalyptic number.

It is an amenable number.

29435453989 is a deficient number, since it is larger than the sum of its proper divisors (444776411).

29435453989 is an equidigital number, since it uses as much as digits as its factorization.

29435453989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419411.

The product of its digits is 41990400, while the sum is 61.

The spelling of 29435453989 in words is "twenty-nine billion, four hundred thirty-five million, four hundred fifty-three thousand, nine hundred eighty-nine".

Divisors: 1 71 991 70361 418349 29702779 414583859 29435453989