Search a number
-
+
10718813 = 713111689
BaseRepresentation
bin101000111000…
…111001011101
3202011120110002
4220320321131
510221000223
61021424045
7160052120
oct50707135
922146402
1010718813
116061226
12370b025
1322b3ac1
1415d03b7
15e1ae28
hexa38e5d

10718813 has 8 divisors (see below), whose sum is σ = 12344640. Its totient is φ = 9116640.

The previous prime is 10718801. The next prime is 10718821. The reversal of 10718813 is 31881701.

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

It is a cyclic number.

It is not a de Polignac number, because 10718813 - 28 = 10718557 is a prime.

It is a super-2 number, since 2×107188132 = 229785904257938, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10712813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4928 + ... + 6761.

It is an arithmetic number, because the mean of its divisors is an integer number (1543080).

Almost surely, 210718813 is an apocalyptic number.

It is an amenable number.

10718813 is a deficient number, since it is larger than the sum of its proper divisors (1625827).

10718813 is a wasteful number, since it uses less digits than its factorization.

10718813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11827.

The product of its (nonzero) digits is 1344, while the sum is 29.

The square root of 10718813 is about 3273.9598348178. The cubic root of 10718813 is about 220.4866157037.

The spelling of 10718813 in words is "ten million, seven hundred eighteen thousand, eight hundred thirteen".

Divisors: 1 7 131 917 11689 81823 1531259 10718813