Search a number
-
+
6986983030939 = 8218510332559
BaseRepresentation
bin110010110101100100010…
…1001000100000010011011
3220201221121212020102202001
41211223020221010002123
51403433320123442224
622505435314421431
71320535644566122
oct145531051040233
926657555212661
106986983030939
11225418785287a
1294a15a591877
133b8b3c894c82
141a2259530ab9
15c1b32a49544
hex65ac8a4409b

6986983030939 has 4 divisors (see below), whose sum is σ = 6995493364320. Its totient is φ = 6978472697560.

The previous prime is 6986983030921. The next prime is 6986983030961. The reversal of 6986983030939 is 9390303896896.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6986983030939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6986983030919) 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, 4255165459 + ... + 4255167100.

It is an arithmetic number, because the mean of its divisors is an integer number (1748873341080).

Almost surely, 26986983030939 is an apocalyptic number.

6986983030939 is a deficient number, since it is larger than the sum of its proper divisors (8510333381).

6986983030939 is an equidigital number, since it uses as much as digits as its factorization.

6986983030939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8510333380.

The product of its (nonzero) digits is 408146688, while the sum is 73.

The spelling of 6986983030939 in words is "six trillion, nine hundred eighty-six billion, nine hundred eighty-three million, thirty thousand, nine hundred thirty-nine".

Divisors: 1 821 8510332559 6986983030939