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5320037521 = 16338983903
BaseRepresentation
bin1001111010001100…
…10101010010010001
3111201202120220111201
410331012111102101
541343412200041
62235522511201
7245556400321
oct47506252221
914652526451
105320037521
112290027a27
121045805501
1366a253bc6
143867ad281
152120c2631
hex13d195491

5320037521 has 8 divisors (see below), whose sum is σ = 5366499840. Its totient is φ = 5273744112.

The previous prime is 5320037519. The next prime is 5320037549. The reversal of 5320037521 is 1257300235.

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 5320037521 - 21 = 5320037519 is a prime.

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 5320037521.

It is not an unprimeable number, because it can be changed into a prime (5320037561) 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, 21456 + ... + 105358.

It is an arithmetic number, because the mean of its divisors is an integer number (670812480).

Almost surely, 25320037521 is an apocalyptic number.

It is an amenable number.

5320037521 is a deficient number, since it is larger than the sum of its proper divisors (46462319).

5320037521 is a wasteful number, since it uses less digits than its factorization.

5320037521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84455.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 5320037521 is about 72938.5873252286. The cubic root of 5320037521 is about 1745.7078510721.

Adding to 5320037521 its reverse (1257300235), we get a palindrome (6577337756).

The spelling of 5320037521 in words is "five billion, three hundred twenty million, thirty-seven thousand, five hundred twenty-one".

Divisors: 1 163 389 63407 83903 13676189 32638267 5320037521