Search a number
-
+
676868547913 = 1993401349487
BaseRepresentation
bin10011101100110001000…
…00100110010101001001
32101201010010120212210021
421312120200212111021
542042211322013123
61234541002020441
766621301504465
oct11663040462511
92351103525707
10676868547913
11241070716348
12ab221aa7721
134baa00a439c
1424a911994a5
151291847dc5d
hex9d98826549

676868547913 has 4 divisors (see below), whose sum is σ = 680269897600. Its totient is φ = 673467198228.

The previous prime is 676868547911. The next prime is 676868547931. The reversal of 676868547913 is 319745868676.

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 676868547913 - 21 = 676868547911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676868547911) 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, 1700674545 + ... + 1700674942.

It is an arithmetic number, because the mean of its divisors is an integer number (170067474400).

Almost surely, 2676868547913 is an apocalyptic number.

It is an amenable number.

676868547913 is a deficient number, since it is larger than the sum of its proper divisors (3401349687).

676868547913 is a wasteful number, since it uses less digits than its factorization.

676868547913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401349686.

The product of its digits is 365783040, while the sum is 70.

The spelling of 676868547913 in words is "six hundred seventy-six billion, eight hundred sixty-eight million, five hundred forty-seven thousand, nine hundred thirteen".

Divisors: 1 199 3401349487 676868547913