Search a number
-
+
1916106461 = 19123394289
BaseRepresentation
bin111001000110101…
…0111011011011101
311221112111021220222
41302031113123131
512411010401321
6514044451125
765324431133
oct16215273335
94845437828
101916106461
118a3657165
12455849aa5
13246c82a09
1414269b753
15b33403ab
hex723576dd

1916106461 has 8 divisors (see below), whose sum is σ = 1927411200. Its totient is φ = 1904815360.

The previous prime is 1916106443. The next prime is 1916106463. The reversal of 1916106461 is 1646016191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1916106461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916106463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444605 + ... + 448893.

It is an arithmetic number, because the mean of its divisors is an integer number (240926400).

Almost surely, 21916106461 is an apocalyptic number.

It is an amenable number.

1916106461 is a deficient number, since it is larger than the sum of its proper divisors (11304739).

1916106461 is a wasteful number, since it uses less digits than its factorization.

1916106461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6819.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1916106461 is about 43773.3533213986. The cubic root of 1916106461 is about 1242.0522858508.

The spelling of 1916106461 in words is "one billion, nine hundred sixteen million, one hundred six thousand, four hundred sixty-one".

Divisors: 1 191 2339 4289 446749 819199 10031971 1916106461