Search a number
-
+
34205236643 = 347787912511
BaseRepresentation
bin11111110110110010…
…100111110110100011
310021021211012001120102
4133312302213312203
51030023020033033
623414052533015
72320431466664
oct376662476643
9107254161512
1034205236643
1113562a67616
12676732116b
1332c16854c6
141926b4536b
15d52ddede8
hex7f6ca7da3

34205236643 has 8 divisors (see below), whose sum is σ = 34310906880. Its totient is φ = 34099607880.

The previous prime is 34205236613. The next prime is 34205236649. The reversal of 34205236643 is 34663250243.

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 34205236643 - 26 = 34205236579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34205236597 and 34205236606.

It is not an unprimeable number, because it can be changed into a prime (34205236649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2727758 + ... + 2740268.

It is an arithmetic number, because the mean of its divisors is an integer number (4288863360).

Almost surely, 234205236643 is an apocalyptic number.

34205236643 is a deficient number, since it is larger than the sum of its proper divisors (105670237).

34205236643 is a wasteful number, since it uses less digits than its factorization.

34205236643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20737.

The product of its (nonzero) digits is 311040, while the sum is 38.

Adding to 34205236643 its reverse (34663250243), we get a palindrome (68868486886).

The spelling of 34205236643 in words is "thirty-four billion, two hundred five million, two hundred thirty-six thousand, six hundred forty-three".

Divisors: 1 347 7879 12511 2734013 4341317 98574169 34205236643