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103220120203 = 671540598809
BaseRepresentation
bin110000000100001100…
…1100000101010001011
3100212102120212101201221
41200020121200222023
53142343322321303
6115230233222511
710312614355024
oct1401031405213
9325376771657
10103220120203
113a859081072
1218008261a37
13996c9a4305
144dd29a5c4b
152a41cae4bd
hex1808660a8b

103220120203 has 4 divisors (see below), whose sum is σ = 104760719080. Its totient is φ = 101679521328.

The previous prime is 103220120131. The next prime is 103220120299. The reversal of 103220120203 is 302021022301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302021022301 = 1915895843279.

It is a cyclic number.

It is not a de Polignac number, because 103220120203 - 225 = 103186565771 is a prime.

It is a super-2 number, since 2×1032201202032 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103220120303) by changing a digit.

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, 770299338 + ... + 770299471.

It is an arithmetic number, because the mean of its divisors is an integer number (26190179770).

Almost surely, 2103220120203 is an apocalyptic number.

103220120203 is a deficient number, since it is larger than the sum of its proper divisors (1540598877).

103220120203 is an equidigital number, since it uses as much as digits as its factorization.

103220120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540598876.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 103220120203 its reverse (302021022301), we get a palindrome (405241142504).

The spelling of 103220120203 in words is "one hundred three billion, two hundred twenty million, one hundred twenty thousand, two hundred three".

Divisors: 1 67 1540598809 103220120203