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10130203 = 31132573
BaseRepresentation
bin100110101001…
…001100011011
3201001200000201
4212221030123
510043131303
61001043031
7152051056
oct46511433
921050021
1010130203
115799a76
123486477
132138c05
1414b9a9d
15d5181d
hex9a931b

10130203 has 4 divisors (see below), whose sum is σ = 10163088. Its totient is φ = 10097320.

The previous prime is 10130179. The next prime is 10130207. The reversal of 10130203 is 30203101.

10130203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10130203 - 213 = 10122011 is a prime.

It is a super-3 number, since 3×101302033 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10130203.

It is not an unprimeable number, because it can be changed into a prime (10130207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15976 + ... + 16597.

It is an arithmetic number, because the mean of its divisors is an integer number (2540772).

Almost surely, 210130203 is an apocalyptic number.

10130203 is a deficient number, since it is larger than the sum of its proper divisors (32885).

10130203 is an equidigital number, since it uses as much as digits as its factorization.

10130203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32884.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 10130203 is about 3182.7979829075. The cubic root of 10130203 is about 216.3744861115.

Adding to 10130203 its reverse (30203101), we get a palindrome (40333304).

It can be divided in two parts, 101 and 30203, that multiplied together give a palindrome (3050503).

The spelling of 10130203 in words is "ten million, one hundred thirty thousand, two hundred three".

Divisors: 1 311 32573 10130203