Search a number
-
+
34298209729 = 74899744247
BaseRepresentation
bin11111111100010101…
…010010010111000001
310021112022010120200001
4133330111102113001
51030220320202404
623431213400001
72322640654360
oct377425222701
9107468116601
1034298209729
1113600499683
126792499001
133307a08774
1419352277d7
15d5b1577a4
hex7fc5525c1

34298209729 has 4 divisors (see below), whose sum is σ = 39197953984. Its totient is φ = 29398465476.

The previous prime is 34298209709. The next prime is 34298209783. The reversal of 34298209729 is 92790289243.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92790289243 = 128937196951.

It is a cyclic number.

It is not a de Polignac number, because 34298209729 - 213 = 34298201537 is a prime.

It is a super-2 number, since 2×342982097292 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34298209729.

It is not an unprimeable number, because it can be changed into a prime (34298209709) 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 3 ways as a sum of consecutive naturals, for example, 2449872117 + ... + 2449872130.

It is an arithmetic number, because the mean of its divisors is an integer number (9799488496).

Almost surely, 234298209729 is an apocalyptic number.

It is an amenable number.

34298209729 is a deficient number, since it is larger than the sum of its proper divisors (4899744255).

34298209729 is an equidigital number, since it uses as much as digits as its factorization.

34298209729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4899744254.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 34298209729 in words is "thirty-four billion, two hundred ninety-eight million, two hundred nine thousand, seven hundred twenty-nine".

Divisors: 1 7 4899744247 34298209729