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5320345021 = 191907146837
BaseRepresentation
bin1001111010001111…
…00000010110111101
3111201210011112022121
410331013200112331
541344002020041
62235533242541
7245562120655
oct47507402675
914653145277
105320345021
112290217a62
121045933451
1366a330b64
1438684d365
152121337d1
hex13d1e05bd

5320345021 has 8 divisors (see below), whose sum is σ = 5603338080. Its totient is φ = 5037649488.

The previous prime is 5320345003. The next prime is 5320345111. The reversal of 5320345021 is 1205430235.

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 5320345021 - 225 = 5286790589 is a prime.

It is a super-2 number, since 2×53203450212 = 56612142284958980882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5320345421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37186 + ... + 109651.

It is an arithmetic number, because the mean of its divisors is an integer number (700417260).

Almost surely, 25320345021 is an apocalyptic number.

It is an amenable number.

5320345021 is a deficient number, since it is larger than the sum of its proper divisors (282993059).

5320345021 is a wasteful number, since it uses less digits than its factorization.

5320345021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148763.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 5320345021 is about 72940.6952324969. The cubic root of 5320345021 is about 1745.7414845956.

Adding to 5320345021 its reverse (1205430235), we get a palindrome (6525775256).

The spelling of 5320345021 in words is "five billion, three hundred twenty million, three hundred forty-five thousand, twenty-one".

Divisors: 1 19 1907 36233 146837 2789903 280018159 5320345021