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5132213021 = 131591324809
BaseRepresentation
bin1001100011110011…
…10101101100011101
3111020200011102201202
410301321311230131
541002321304041
62205133045245
7241116043115
oct46171655435
914220142652
105132213021
1121a4000671
12bb2926825
1363a370750
1436987a045
15200870a9b
hex131e75b1d

5132213021 has 8 divisors (see below), whose sum is σ = 5527568760. Its totient is φ = 4736938752.

The previous prime is 5132213017. The next prime is 5132213087. The reversal of 5132213021 is 1203122315.

It can be written as a sum of positive squares in 4 ways, for example, as 1542525625 + 3589687396 = 39275^2 + 59914^2 .

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

It is not a de Polignac number, because 5132213021 - 22 = 5132213017 is a prime.

It is a super-2 number, since 2×51322130212 = 52679220985843892882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5132212984 and 5132213002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5132213221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194465 + ... + 219273.

It is an arithmetic number, because the mean of its divisors is an integer number (690946095).

Almost surely, 25132213021 is an apocalyptic number.

It is an amenable number.

5132213021 is a deficient number, since it is larger than the sum of its proper divisors (395355739).

5132213021 is a wasteful number, since it uses less digits than its factorization.

5132213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40735.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 5132213021 is about 71639.4655270403. The cubic root of 5132213021 is about 1724.9170886146.

Adding to 5132213021 its reverse (1203122315), we get a palindrome (6335335336).

The spelling of 5132213021 in words is "five billion, one hundred thirty-two million, two hundred thirteen thousand, twenty-one".

Divisors: 1 13 15913 24809 206869 322517 394785617 5132213021