Search a number
-
+
2107443694 = 21053721847
BaseRepresentation
bin111110110011101…
…0000100111101110
312102212112020021011
41331213100213232
513304001144234
6545041455434
7103136655466
oct17547204756
95385466234
102107443694
11991662704
124a994157a
132777c6005
1415dc66ba6
15c5037b64
hex7d9d09ee

2107443694 has 4 divisors (see below), whose sum is σ = 3161165544. Its totient is φ = 1053721846.

The previous prime is 2107443683. The next prime is 2107443713. The reversal of 2107443694 is 4963447012.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 526860922 + ... + 526860925.

It is an arithmetic number, because the mean of its divisors is an integer number (790291386).

Almost surely, 22107443694 is an apocalyptic number.

2107443694 is a deficient number, since it is larger than the sum of its proper divisors (1053721850).

2107443694 is a wasteful number, since it uses less digits than its factorization.

2107443694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053721849.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 2107443694 is about 45906.9024657513. The cubic root of 2107443694 is about 1282.0904346484.

The spelling of 2107443694 in words is "two billion, one hundred seven million, four hundred forty-three thousand, six hundred ninety-four".

Divisors: 1 2 1053721847 2107443694