Search a number
-
+
103103213020 = 22543211568187
BaseRepresentation
bin110000000000101101…
…1100010110111011100
3100212010102212220020021
41200001123202313130
53142123410304040
6115210455401524
710306664564533
oct1400133426734
9325112786207
10103103213020
113a7a9091a65
1217b950832a4
1399516c1072
144dc125331a
152a368ba24a
hex18016e2ddc

103103213020 has 48 divisors (see below), whose sum is σ = 222602421888. Its totient is φ = 40091204160.

The previous prime is 103103212957. The next prime is 103103213029. The reversal of 103103213020 is 20312301301.

It is a junction number, because it is equal to n+sod(n) for n = 103103212985 and 103103213003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103103213029) 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 15 ways as a sum of consecutive naturals, for example, 102634 + ... + 465553.

It is an arithmetic number, because the mean of its divisors is an integer number (4637550456).

Almost surely, 2103103213020 is an apocalyptic number.

103103213020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103103213020 is an abundant number, since it is smaller than the sum of its proper divisors (119499208868).

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

103103213020 is a wasteful number, since it uses less digits than its factorization.

103103213020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568450 (or 568448 counting only the distinct ones).

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

Adding to 103103213020 its reverse (20312301301), we get a palindrome (123415514321).

The spelling of 103103213020 in words is "one hundred three billion, one hundred three million, two hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 43 86 172 211 215 422 430 844 860 1055 2110 4220 9073 18146 36292 45365 90730 181460 568187 1136374 2272748 2840935 5681870 11363740 24432041 48864082 97728164 119887457 122160205 239774914 244320410 479549828 488640820 599437285 1198874570 2397749140 5155160651 10310321302 20620642604 25775803255 51551606510 103103213020