Search a number
-
+
33113301421 = 41979029359
BaseRepresentation
bin11110110101101101…
…001110000110101101
310011110201112000001011
4132311231032012231
51020304001121141
623113444545221
72251402263244
oct366555160655
9104421460034
1033113301421
1113052660512
1265016b2211
1331793995a5
141861b0595b
15cdc0ed881
hex7b5b4e1ad

33113301421 has 4 divisors (see below), whose sum is σ = 33192331200. Its totient is φ = 33034271644.

The previous prime is 33113301371. The next prime is 33113301499. The reversal of 33113301421 is 12410331133.

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 a cyclic number.

It is not a de Polignac number, because 33113301421 - 215 = 33113268653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33113301392 and 33113301401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33113311421) 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, 39514261 + ... + 39515098.

It is an arithmetic number, because the mean of its divisors is an integer number (8298082800).

Almost surely, 233113301421 is an apocalyptic number.

It is an amenable number.

33113301421 is a deficient number, since it is larger than the sum of its proper divisors (79029779).

33113301421 is an equidigital number, since it uses as much as digits as its factorization.

33113301421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79029778.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 33113301421 its reverse (12410331133), we get a palindrome (45523632554).

The spelling of 33113301421 in words is "thirty-three billion, one hundred thirteen million, three hundred one thousand, four hundred twenty-one".

Divisors: 1 419 79029359 33113301421