Search a number
-
+
29804801453 = 74257828779
BaseRepresentation
bin11011110000100000…
…010010110110101101
32211221010222210022022
4123300200102312231
5442020012121303
621405300155525
72103406426610
oct336040226655
984833883268
1029804801453
1111705040519
125939698ba5
132a6cacc3bb
14162a556177
15b9691c438
hex6f0812dad

29804801453 has 4 divisors (see below), whose sum is σ = 34062630240. Its totient is φ = 25546972668.

The previous prime is 29804801449. The next prime is 29804801473. The reversal of 29804801453 is 35410840892.

It is a happy number.

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.

It is not a de Polignac number, because 29804801453 - 22 = 29804801449 is a prime.

It is a super-2 number, since 2×298048014532 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29804801443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2128914383 + ... + 2128914396.

It is an arithmetic number, because the mean of its divisors is an integer number (8515657560).

Almost surely, 229804801453 is an apocalyptic number.

It is an amenable number.

29804801453 is a deficient number, since it is larger than the sum of its proper divisors (4257828787).

29804801453 is an equidigital number, since it uses as much as digits as its factorization.

29804801453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4257828786.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 29804801453 in words is "twenty-nine billion, eight hundred four million, eight hundred one thousand, four hundred fifty-three".

Divisors: 1 7 4257828779 29804801453