Search a number
-
+
9102345639 = 313921828167
BaseRepresentation
bin10000111101000101…
…01100010110100111
3212111100200001211120
420132202230112213
5122120200030024
64103114505023
7441364442562
oct103642542647
925440601746
109102345639
113951045002
121920435173
13b20a3564a
14624c574d9
15384196479
hex21e8ac5a7

9102345639 has 8 divisors (see below), whose sum is σ = 12223774080. Its totient is φ = 6024573816.

The previous prime is 9102345631. The next prime is 9102345667. The reversal of 9102345639 is 9365432019.

It is a happy number.

9102345639 is digitally balanced in base 2, 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 not a de Polignac number, because 9102345639 - 23 = 9102345631 is a prime.

It is a super-2 number, since 2×91023456392 (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 9102345639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9102345631) 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, 10913667 + ... + 10914500.

It is an arithmetic number, because the mean of its divisors is an integer number (1527971760).

Almost surely, 29102345639 is an apocalyptic number.

9102345639 is a deficient number, since it is larger than the sum of its proper divisors (3121428441).

9102345639 is a wasteful number, since it uses less digits than its factorization.

9102345639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21828309.

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 9102345639 is about 95406.2138385126. The cubic root of 9102345639 is about 2087.9388453063.

The spelling of 9102345639 in words is "nine billion, one hundred two million, three hundred forty-five thousand, six hundred thirty-nine".

Divisors: 1 3 139 417 21828167 65484501 3034115213 9102345639