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103203013 = 1031138867
BaseRepresentation
bin1100010011011…
…00000011000101
321012012020220211
412021230003011
5202404444023
614123555421
72362132264
oct611540305
9235166824
10103203013
1153289a51
122a68bb71
13184c5694
14d9c65db
1590d8a0d
hex626c0c5

103203013 has 8 divisors (see below), whose sum is σ = 105139008. Its totient is φ = 101285184.

The previous prime is 103203011. The next prime is 103203017. The reversal of 103203013 is 310302301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103203013 - 21 = 103203011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103202984 and 103203002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103203011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7206 + ... + 16072.

It is an arithmetic number, because the mean of its divisors is an integer number (13142376).

Almost surely, 2103203013 is an apocalyptic number.

It is an amenable number.

103203013 is a deficient number, since it is larger than the sum of its proper divisors (1935995).

103203013 is a wasteful number, since it uses less digits than its factorization.

103203013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9083.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 103203013 is about 10158.8883742268. Note that the first 3 decimals coincide. The cubic root of 103203013 is about 469.0625845624.

Adding to 103203013 its reverse (310302301), we get a palindrome (413505314).

It can be divided in two parts, 10 and 3203013, that added together give a palindrome (3203023).

The spelling of 103203013 in words is "one hundred three million, two hundred three thousand, thirteen".

Divisors: 1 103 113 8867 11639 913301 1001971 103203013