Search a number
-
+
3091310103 = 37288750989
BaseRepresentation
bin1011100001000001…
…1010011000010111
321222102211211020210
42320100122120113
522312333410403
61230425300503
7136414462620
oct27020323027
97872754223
103091310103
111346a67042
12723334733
133a35a489b
142147b4a47
151315cdb03
hexb841a617

3091310103 has 16 divisors (see below), whose sum is σ = 4712291840. Its totient is φ = 1765816416.

The previous prime is 3091310081. The next prime is 3091310137. The reversal of 3091310103 is 3010131903.

It is not a de Polignac number, because 3091310103 - 28 = 3091309847 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 3091310103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3091310503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35133 + ... + 86121.

It is an arithmetic number, because the mean of its divisors is an integer number (294518240).

Almost surely, 23091310103 is an apocalyptic number.

3091310103 is a deficient number, since it is larger than the sum of its proper divisors (1620981737).

3091310103 is a wasteful number, since it uses less digits than its factorization.

3091310103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53886.

The product of its (nonzero) digits is 243, while the sum is 21.

The square root of 3091310103 is about 55599.5512841606. The cubic root of 3091310103 is about 1456.7360159883.

The spelling of 3091310103 in words is "three billion, ninety-one million, three hundred ten thousand, one hundred three".

Divisors: 1 3 7 21 2887 8661 20209 50989 60627 152967 356923 1070769 147205243 441615729 1030436701 3091310103