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17427872472 = 2332117394657
BaseRepresentation
bin10000001110110010…
…000011101011011000
31122222120121122121020
4100032302003223120
5241143013404342
612001203442440
71154610320553
oct201662035330
948876548536
1017427872472
11743364159a
123464686420
13184984349a
14bb485b69a
156c00440ec
hex40ec83ad8

17427872472 has 64 divisors (see below), whose sum is σ = 43844822400. Its totient is φ = 5772695040.

The previous prime is 17427872453. The next prime is 17427872519. The reversal of 17427872472 is 27427872471.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3739968 + ... + 3744624.

It is an arithmetic number, because the mean of its divisors is an integer number (685075350).

Almost surely, 217427872472 is an apocalyptic number.

17427872472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

17427872472 is an abundant number, since it is smaller than the sum of its proper divisors (26416949928).

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

17427872472 is a wasteful number, since it uses less digits than its factorization.

17427872472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616 (or 5612 counting only the distinct ones).

The product of its digits is 2458624, while the sum is 51.

Subtracting 17427872472 from its reverse (27427872471), we obtain a palindrome (9999999999).

The spelling of 17427872472 in words is "seventeen billion, four hundred twenty-seven million, eight hundred seventy-two thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 211 422 633 739 844 1266 1478 1688 2217 2532 2956 4434 4657 5064 5912 8868 9314 13971 17736 18628 27942 37256 55884 111768 155929 311858 467787 623716 935574 982627 1247432 1871148 1965254 2947881 3441523 3742296 3930508 5895762 6883046 7861016 10324569 11791524 13766092 20649138 23583048 27532184 41298276 82596552 726161353 1452322706 2178484059 2904645412 4356968118 5809290824 8713936236 17427872472