Search a number
-
+
120000103213 = 277433213369
BaseRepresentation
bin110111111000010010…
…0000100001100101101
3102110202000100212002011
41233300210010030231
53431230011300323
6131043254401221
711445500022214
oct1576044041455
9373660325064
10120000103213
1146989a25721
121b30b960211
13b415222343
145b4537207b
1531c4ec620d
hex1bf090432d

120000103213 has 4 divisors (see below), whose sum is σ = 120433316860. Its totient is φ = 119566889568.

The previous prime is 120000103207. The next prime is 120000103219. The reversal of 120000103213 is 312301000021.

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

It is an interprime number because it is at equal distance from previous prime (120000103207) and next prime (120000103219).

It can be written as a sum of positive squares in 2 ways, for example, as 83962016644 + 36038086569 = 289762^2 + 189837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120000103213 is a prime.

It is a super-2 number, since 2×1200001032132 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120000103193 and 120000103202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000103219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216606408 + ... + 216606961.

It is an arithmetic number, because the mean of its divisors is an integer number (30108329215).

Almost surely, 2120000103213 is an apocalyptic number.

It is an amenable number.

120000103213 is a deficient number, since it is larger than the sum of its proper divisors (433213647).

120000103213 is an equidigital number, since it uses as much as digits as its factorization.

120000103213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433213646.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 120000103213 its reverse (312301000021), we get a palindrome (432301103234).

The spelling of 120000103213 in words is "one hundred twenty billion, one hundred three thousand, two hundred thirteen".

Divisors: 1 277 433213369 120000103213