Search a number
-
+
1080646101 = 32120071789
BaseRepresentation
bin100000001101001…
…0101100111010101
32210022102111202200
41000122111213111
54203121133401
6255121555113
735531224503
oct10032254725
92708374680
101080646101
11504aa6457
12261aa5a99
13142b65682
14a3741673
1564d11686
hex406959d5

1080646101 has 6 divisors (see below), whose sum is σ = 1560933270. Its totient is φ = 720430728.

The previous prime is 1080646093. The next prime is 1080646121. The reversal of 1080646101 is 1016460801.

1080646101 is a `hidden beast` number, since 1 + 0 + 8 + 0 + 646 + 10 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1061065476 + 19580625 = 32574^2 + 4425^2 .

It is not a de Polignac number, because 1080646101 - 23 = 1080646093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080646121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60035886 + ... + 60035903.

It is an arithmetic number, because the mean of its divisors is an integer number (260155545).

Almost surely, 21080646101 is an apocalyptic number.

It is an amenable number.

1080646101 is a deficient number, since it is larger than the sum of its proper divisors (480287169).

1080646101 is a wasteful number, since it uses less digits than its factorization.

1080646101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120071795 (or 120071792 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1080646101 is about 32873.1820942239. The cubic root of 1080646101 is about 1026.1901229924.

The spelling of 1080646101 in words is "one billion, eighty million, six hundred forty-six thousand, one hundred one".

Divisors: 1 3 9 120071789 360215367 1080646101