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202030103 = 1145740189
BaseRepresentation
bin11000000101010…
…11110000010111
3112002011012012102
430002223300113
5403204430403
632014112315
75002141022
oct1402536027
9462135172
10202030103
11a404a230
12577ab69b
1332b18352
141cb901b9
1512b0ab88
hexc0abc17

202030103 has 8 divisors (see below), whose sum is σ = 220884240. Its totient is φ = 183257280.

The previous prime is 202030079. The next prime is 202030133. The reversal of 202030103 is 301030202.

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 202030103 - 212 = 202026007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202030133) 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 7 ways as a sum of consecutive naturals, for example, 15068 + ... + 25121.

It is an arithmetic number, because the mean of its divisors is an integer number (27610530).

Almost surely, 2202030103 is an apocalyptic number.

202030103 is a deficient number, since it is larger than the sum of its proper divisors (18854137).

202030103 is a wasteful number, since it uses less digits than its factorization.

202030103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40657.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 202030103 is about 14213.7293839442. The cubic root of 202030103 is about 586.7755759771.

Adding to 202030103 its reverse (301030202), we get a palindrome (503060305).

Subtracting 202030103 from its reverse (301030202), we obtain a palindrome (99000099).

It can be divided in two parts, 2020 and 30103, that added together give a palindrome (32123).

The spelling of 202030103 in words is "two hundred two million, thirty thousand, one hundred three".

Divisors: 1 11 457 5027 40189 442079 18366373 202030103