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17427371380 = 225871368569
BaseRepresentation
bin10000001110110000…
…001001010101110100
31122222112200012020021
4100032300021111310
5241142401341010
612001145014524
71154603132626
oct201660112564
948875605207
1017427371380
11743332a071
123464484444
1318496c9393
14bb476ac16
156bee958da
hex40ec09574

17427371380 has 12 divisors (see below), whose sum is σ = 36597479940. Its totient is φ = 6970948544.

The previous prime is 17427371371. The next prime is 17427371413. The reversal of 17427371380 is 8317372471.

It can be written as a sum of positive squares in 2 ways, for example, as 7312644196 + 10114727184 = 85514^2 + 100572^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435684265 + ... + 435684304.

It is an arithmetic number, because the mean of its divisors is an integer number (3049789995).

Almost surely, 217427371380 is an apocalyptic number.

17427371380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17427371380 is an abundant number, since it is smaller than the sum of its proper divisors (19170108560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17427371380 is a wasteful number, since it uses less digits than its factorization.

17427371380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871368578 (or 871368576 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 17427371380 in words is "seventeen billion, four hundred twenty-seven million, three hundred seventy-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 871368569 1742737138 3485474276 4356842845 8713685690 17427371380