Search a number
-
+
34388046421 = 72834721687
BaseRepresentation
bin100000000001101011…
…111111001001010101
310021202120011202102221
4200001223333021111
51030411314441141
623444143102341
72325111400051
oct400153771125
9107676152387
1034388046421
1113647179283
1267b85a19b1
133320501281
141943130c61
15d63ea0bd1
hex801aff255

34388046421 has 4 divisors (see below), whose sum is σ = 34392775392. Its totient is φ = 34383317452.

The previous prime is 34388046397. The next prime is 34388046431. The reversal of 34388046421 is 12464088343.

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 34388046421 - 213 = 34388038229 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 (34388046431) 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, 2353561 + ... + 2368126.

It is an arithmetic number, because the mean of its divisors is an integer number (8598193848).

Almost surely, 234388046421 is an apocalyptic number.

It is an amenable number.

34388046421 is a deficient number, since it is larger than the sum of its proper divisors (4728971).

34388046421 is an equidigital number, since it uses as much as digits as its factorization.

34388046421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728970.

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 34388046421 in words is "thirty-four billion, three hundred eighty-eight million, forty-six thousand, four hundred twenty-one".

Divisors: 1 7283 4721687 34388046421