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5297011521 = 317106997159
BaseRepresentation
bin1001110111011100…
…11111101101000001
3111200011021001202220
410323232133231001
541322013332041
62233341201253
7245156566164
oct47356375501
914604231686
105297011521
11227903017a
121039b60229
13665551359
143836d7adb
15210074d66
hex13bb9fb41

5297011521 has 16 divisors (see below), whose sum is σ = 7485206400. Its totient is φ = 3320471808.

The previous prime is 5297011507. The next prime is 5297011543. The reversal of 5297011521 is 1251107925.

It is not a de Polignac number, because 5297011521 - 26 = 5297011457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5297011721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5940 + ... + 103098.

It is an arithmetic number, because the mean of its divisors is an integer number (467825400).

Almost surely, 25297011521 is an apocalyptic number.

5297011521 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5297011521 is a deficient number, since it is larger than the sum of its proper divisors (2188194879).

5297011521 is a wasteful number, since it uses less digits than its factorization.

5297011521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98248.

The product of its (nonzero) digits is 6300, while the sum is 33.

The square root of 5297011521 is about 72780.5710406287. The cubic root of 5297011521 is about 1743.1856381946.

The spelling of 5297011521 in words is "five billion, two hundred ninety-seven million, eleven thousand, five hundred twenty-one".

Divisors: 1 3 17 51 1069 3207 18173 54519 97159 291477 1651703 4955109 103862971 311588913 1765670507 5297011521