Search a number
-
+
8461916481 = 317165919931
BaseRepresentation
bin1111110000101111…
…01001100101000001
3210211201120220012010
413320113221211001
5114312222311411
63515400123133
7416460050304
oct77027514501
923751526163
108461916481
113652593107
121781a664a9
13a4b152a95
145a3b88b3b
15347d3e7a6
hex1f85e9941

8461916481 has 8 divisors (see below), whose sum is σ = 11946235104. Its totient is φ = 5309437760.

The previous prime is 8461916479. The next prime is 8461916497. The reversal of 8461916481 is 1846191648.

8461916481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8461916481 - 21 = 8461916479 is a prime.

It is a super-2 number, since 2×84619164812 (a number of 21 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 8461916481.

It is not an unprimeable number, because it can be changed into a prime (8461911481) 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 7 ways as a sum of consecutive naturals, for example, 82959915 + ... + 82960016.

It is an arithmetic number, because the mean of its divisors is an integer number (1493279388).

Almost surely, 28461916481 is an apocalyptic number.

It is an amenable number.

8461916481 is a deficient number, since it is larger than the sum of its proper divisors (3484318623).

8461916481 is a wasteful number, since it uses less digits than its factorization.

8461916481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165919951.

The product of its digits is 331776, while the sum is 48.

The square root of 8461916481 is about 91988.6758302347. The cubic root of 8461916481 is about 2037.7750701733.

The spelling of 8461916481 in words is "eight billion, four hundred sixty-one million, nine hundred sixteen thousand, four hundred eighty-one".

Divisors: 1 3 17 51 165919931 497759793 2820638827 8461916481