Search a number
-
+
123200313001 = 375173283853
BaseRepresentation
bin111001010111101001…
…1111001011010101001
3102210000001010100121121
41302233103321122221
54004303240004001
6132333014135241
711621006245003
oct1625723713251
9383001110547
10123200313001
11482814016a7
121ba63651521
13b8052354bc
145d6a3b3373
153310e166a1
hex1caf4f96a9

123200313001 has 4 divisors (see below), whose sum is σ = 123203634372. Its totient is φ = 123196991632.

The previous prime is 123200312969. The next prime is 123200313013. The reversal of 123200313001 is 100313002321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39979602601 + 83220710400 = 199949^2 + 288480^2 .

It is a cyclic number.

It is not a de Polignac number, because 123200313001 - 25 = 123200312969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123200311001) 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, 1604410 + ... + 1679443.

It is an arithmetic number, because the mean of its divisors is an integer number (30800908593).

Almost surely, 2123200313001 is an apocalyptic number.

It is an amenable number.

123200313001 is a deficient number, since it is larger than the sum of its proper divisors (3321371).

123200313001 is an equidigital number, since it uses as much as digits as its factorization.

123200313001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321370.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 123200313001 its reverse (100313002321), we get a palindrome (223513315322).

The spelling of 123200313001 in words is "one hundred twenty-three billion, two hundred million, three hundred thirteen thousand, one".

Divisors: 1 37517 3283853 123200313001