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5203202421 = 319235738729
BaseRepresentation
bin1001101100010001…
…01001000101110101
3111102121202001212210
410312020221011311
541124004434141
62220150404033
7242640330234
oct46610510565
914377661783
105203202421
112230087a9a
121012660619
1364bc97701
14375078b1b
15206be4916
hex136229175

5203202421 has 16 divisors (see below), whose sum is σ = 7306027200. Its totient is φ = 3284754048.

The previous prime is 5203202413. The next prime is 5203202437. The reversal of 5203202421 is 1242023025.

It is not a de Polignac number, because 5203202421 - 23 = 5203202413 is a prime.

It is a super-2 number, since 2×52032024212 = 54146630867800522482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5203202491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114985 + ... + 153713.

It is an arithmetic number, because the mean of its divisors is an integer number (456626700).

Almost surely, 25203202421 is an apocalyptic number.

It is an amenable number.

5203202421 is a deficient number, since it is larger than the sum of its proper divisors (2102824779).

5203202421 is a wasteful number, since it uses less digits than its factorization.

5203202421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41108.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 5203202421 is about 72133.2268860890. The cubic root of 5203202421 is about 1732.8337867110.

Adding to 5203202421 its reverse (1242023025), we get a palindrome (6445225446).

The spelling of 5203202421 in words is "five billion, two hundred three million, two hundred two thousand, four hundred twenty-one".

Divisors: 1 3 19 57 2357 7071 38729 44783 116187 134349 735851 2207553 91284253 273852759 1734400807 5203202421