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172287584412 = 22314357298701
BaseRepresentation
bin1010000001110100100…
…0111110100010011100
3121110201000111002222220
42200131020332202130
510310321110200122
6211051532505340
715306306206316
oct2403510764234
9543630432886
10172287584412
11670809391a9
122948291b250
1313328b73028
1484a57d27b6
1547355b825c
hex281d23e89c

172287584412 has 12 divisors (see below), whose sum is σ = 402004363656. Its totient is φ = 57429194800.

The previous prime is 172287584389. The next prime is 172287584459. The reversal of 172287584412 is 214485782271.

172287584412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7178649339 + ... + 7178649362.

It is an arithmetic number, because the mean of its divisors is an integer number (33500363638).

Almost surely, 2172287584412 is an apocalyptic number.

172287584412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172287584412 is an abundant number, since it is smaller than the sum of its proper divisors (229716779244).

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

172287584412 is a wasteful number, since it uses less digits than its factorization.

172287584412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14357298708 (or 14357298706 counting only the distinct ones).

The product of its digits is 2007040, while the sum is 51.

The spelling of 172287584412 in words is "one hundred seventy-two billion, two hundred eighty-seven million, five hundred eighty-four thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 14357298701 28714597402 43071896103 57429194804 86143792206 172287584412