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5732687521 = 111721803299
BaseRepresentation
bin1010101011011000…
…11101111010100001
3112210112001200220001
411111230131322201
543220032000041
62344503220001
7262030016461
oct52554357241
915715050801
105732687521
112481a52a90
12113ba47601
137048a42c2
143c5507ba1
15238434131
hex155b1dea1

5732687521 has 12 divisors (see below), whose sum is σ = 6643357200. Its totient is φ = 4904970560.

The previous prime is 5732687501. The next prime is 5732687531. The reversal of 5732687521 is 1257862375.

It is not a de Polignac number, because 5732687521 - 27 = 5732687393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5732687501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 898471 + ... + 904828.

It is an arithmetic number, because the mean of its divisors is an integer number (553613100).

Almost surely, 25732687521 is an apocalyptic number.

It is an amenable number.

5732687521 is a deficient number, since it is larger than the sum of its proper divisors (910669679).

5732687521 is a wasteful number, since it uses less digits than its factorization.

5732687521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803344 (or 1803327 counting only the distinct ones).

The product of its digits is 705600, while the sum is 46.

The square root of 5732687521 is about 75714.5132784990. The cubic root of 5732687521 is about 1789.7241151751.

It can be divided in two parts, 5732 and 687521, that added together give a triangular number (693253 = T1177).

The spelling of 5732687521 in words is "five billion, seven hundred thirty-two million, six hundred eighty-seven thousand, five hundred twenty-one".

Divisors: 1 11 17 187 289 3179 1803299 19836289 30656083 337216913 521153411 5732687521