Search a number
-
+
613112612 = 22721896879
BaseRepresentation
bin100100100010110…
…101101100100100
31120201200100101112
4210202311230210
52223424100422
6140501044152
721123241220
oct4442655444
91521610345
10613112612
112950a4642
121513b6658
139a03a138
145b5db780
1538c5cee2
hex248b5b24

613112612 has 12 divisors (see below), whose sum is σ = 1226225280. Its totient is φ = 262762536.

The previous prime is 613112609. The next prime is 613112623. The reversal of 613112612 is 216211316.

613112612 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10948412 + ... + 10948467.

It is an arithmetic number, because the mean of its divisors is an integer number (102185440).

Almost surely, 2613112612 is an apocalyptic number.

It is an amenable number.

613112612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613112612 is a wasteful number, since it uses less digits than its factorization.

613112612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21896890 (or 21896888 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 613112612 is about 24761.1108797647. The cubic root of 613112612 is about 849.5326667502.

Adding to 613112612 its reverse (216211316), we get a palindrome (829323928).

The spelling of 613112612 in words is "six hundred thirteen million, one hundred twelve thousand, six hundred twelve".

Divisors: 1 2 4 7 14 28 21896879 43793758 87587516 153278153 306556306 613112612