Search a number
-
+
8890696007 = 63891391563
BaseRepresentation
bin10000100011110110…
…10100000101000111
3211221121102011010022
420101323110011013
5121202004233012
64030114245355
7433214445344
oct102173240507
924847364108
108890696007
113852625556
12188158685b
13ab8c2c98b
14604ac17cb
153707da472
hex211ed4147

8890696007 has 4 divisors (see below), whose sum is σ = 8892093960. Its totient is φ = 8889298056.

The previous prime is 8890695991. The next prime is 8890696013. The reversal of 8890696007 is 7006960988.

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

It is a cyclic number.

It is not a de Polignac number, because 8890696007 - 24 = 8890695991 is a prime.

It is a super-3 number, since 3×88906960073 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8890696007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8890696097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689393 + ... + 702170.

It is an arithmetic number, because the mean of its divisors is an integer number (2223023490).

Almost surely, 28890696007 is an apocalyptic number.

8890696007 is a deficient number, since it is larger than the sum of its proper divisors (1397953).

8890696007 is a wasteful number, since it uses less digits than its factorization.

8890696007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397952.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 8890696007 is about 94290.4873621936. The cubic root of 8890696007 is about 2071.6287061941.

The spelling of 8890696007 in words is "eight billion, eight hundred ninety million, six hundred ninety-six thousand, seven".

Divisors: 1 6389 1391563 8890696007