Search a number
-
+
8080161616 = 241957146549
BaseRepresentation
bin1111000011001110…
…10111101101010000
3202212010020201222001
413201213113231100
5113022010132431
63413441523344
7404143145332
oct74147275520
922763221861
108080161616
11347704a01a
121696043554
139ba02bc27
145691b3452
15324581e61
hex1e19d7b50

8080161616 has 40 divisors (see below), whose sum is σ = 16508492000. Its totient is φ = 3820659840.

The previous prime is 8080161611. The next prime is 8080161619. The reversal of 8080161616 is 6161610808.

It is a happy number.

8080161616 is a modest number, since divided by 161616 gives 8080 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8080161611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150310 + ... + 196858.

It is an arithmetic number, because the mean of its divisors is an integer number (412712300).

Almost surely, 28080161616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8080161616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8254246000).

8080161616 is an abundant number, since it is smaller than the sum of its proper divisors (8428330384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8080161616 is a wasteful number, since it uses less digits than its factorization.

8080161616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47147 (or 47141 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 8080161616 is about 89889.7191896826. The cubic root of 8080161616 is about 2006.6579459499.

The spelling of 8080161616 in words is "eight billion, eighty million, one hundred sixty-one thousand, six hundred sixteen".

Divisors: 1 2 4 8 16 19 38 76 152 304 571 1142 2284 4568 9136 10849 21698 43396 46549 86792 93098 173584 186196 372392 744784 884431 1768862 3537724 7075448 14150896 26579479 53158958 106317916 212635832 425271664 505010101 1010020202 2020040404 4040080808 8080161616