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5130032420 = 2251032490307
BaseRepresentation
bin1001100011100011…
…00001010100100100
3111020112001122111202
410301301201110210
541001242014140
62205014222032
7241061361512
oct46161412444
914215048452
105130032420
1121a2851317
12bb2054918
13639a89056
1436946d4b2
1520058e915
hex131c61524

5130032420 has 24 divisors (see below), whose sum is σ = 10877665344. Its totient is φ = 2032089696.

The previous prime is 5130032407. The next prime is 5130032429. The reversal of 5130032420 is 242300315.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 5130032392 and 5130032401.

It is not an unprimeable number, because it can be changed into a prime (5130032429) 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, 1243094 + ... + 1247213.

It is an arithmetic number, because the mean of its divisors is an integer number (453236056).

Almost surely, 25130032420 is an apocalyptic number.

It is an amenable number.

5130032420 is an abundant number, since it is smaller than the sum of its proper divisors (5747632924).

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

5130032420 is a wasteful number, since it uses less digits than its factorization.

5130032420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490419 (or 2490417 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 5130032420 is about 71624.2446382508. The cubic root of 5130032420 is about 1724.6727567994.

Adding to 5130032420 its reverse (242300315), we get a palindrome (5372332735).

The spelling of 5130032420 in words is "five billion, one hundred thirty million, thirty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 2490307 4980614 9961228 12451535 24903070 49806140 256501621 513003242 1026006484 1282508105 2565016210 5130032420