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6331579485169 = 25162632
BaseRepresentation
bin101110000100010111110…
…0010111100101111110001
3211102021220122211122100011
41130020233202330233301
51312214033322011134
621244404254054521
71222304304430441
oct134105742745761
924367818748304
106331579485169
112021231612324
128631291aa441
1336c0b08559b3
1417c643050121
15aea73c6b264
hex5c22f8bcbf1

6331579485169 has 3 divisors (see below), whose sum is σ = 6331582001433. Its totient is φ = 6331576968906.

The previous prime is 6331579485131. The next prime is 6331579485229. The reversal of 6331579485169 is 9615849751336.

The square root of 6331579485169 is 2516263.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 6331579485169 - 219 = 6331578960881 is a prime.

It is a super-2 number, since 2×63315794851692 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6331579405169) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1258132 + ... + 3774394.

It is an arithmetic number, because the mean of its divisors is an integer number (2110527333811).

Almost surely, 26331579485169 is an apocalyptic number.

6331579485169 is the 2516263-rd square number.

6331579485169 is the 1258132-nd centered octagonal number.

It is an amenable number.

6331579485169 is a deficient number, since it is larger than the sum of its proper divisors (2516264).

6331579485169 is an frugal number, since it uses more digits than its factorization.

6331579485169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5032526 (or 2516263 counting only the distinct ones).

The product of its digits is 146966400, while the sum is 67.

The spelling of 6331579485169 in words is "six trillion, three hundred thirty-one billion, five hundred seventy-nine million, four hundred eighty-five thousand, one hundred sixty-nine".

Divisors: 1 2516263 6331579485169