Search a number
-
+
120031210200 = 2335211675212
BaseRepresentation
bin110111111001001101…
…0101110101011011000
3102110211011220020211210
41233302122232223120
53431310442211300
6131050325223120
711446325311146
oct1576232565330
9373734806753
10120031210200
11469a5541880
121b31a261aa0
13b41b7c4145
145b4954c596
1531c7abd050
hex1bf26aead8

120031210200 has 288 divisors, whose sum is σ = 412774562880. Its totient is φ = 28609152000.

The previous prime is 120031210193. The next prime is 120031210207. The reversal of 120031210200 is 2012130021.

It is an interprime number because it is at equal distance from previous prime (120031210193) and next prime (120031210207).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120031210207) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 230385940 + ... + 230386460.

It is an arithmetic number, because the mean of its divisors is an integer number (1433245010).

Almost surely, 2120031210200 is an apocalyptic number.

120031210200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120031210200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206387281440).

120031210200 is an abundant number, since it is smaller than the sum of its proper divisors (292743352680).

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

120031210200 is a wasteful number, since it uses less digits than its factorization.

120031210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 120031210200 its reverse (2012130021), we get a palindrome (122043340221).

The spelling of 120031210200 in words is "one hundred twenty billion, thirty-one million, two hundred ten thousand, two hundred".