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22131013002 = 2371947895791
BaseRepresentation
bin10100100111000111…
…000111010110001010
32010010100101221112020
4110213013013112022
5330311014404002
614100012225310
71412266335540
oct244707072612
963110357466
1022131013002
11942741a69a
12435776b236
132119033887
1410dd325d90
15897dac2bc
hex5271c758a

22131013002 has 64 divisors (see below), whose sum is σ = 53267865600. Its totient is φ = 5988064320.

The previous prime is 22131013001. The next prime is 22131013033. The reversal of 22131013002 is 20031013122.

It is not an unprimeable number, because it can be changed into a prime (22131013001) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3818727 + ... + 3824517.

It is an arithmetic number, because the mean of its divisors is an integer number (832310400).

Almost surely, 222131013002 is an apocalyptic number.

22131013002 is an abundant number, since it is smaller than the sum of its proper divisors (31136852598).

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

22131013002 is a wasteful number, since it uses less digits than its factorization.

22131013002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10611.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22131013002 its reverse (20031013122), we get a palindrome (42162026124).

The spelling of 22131013002 in words is "twenty-two billion, one hundred thirty-one million, thirteen thousand, two".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 266 399 798 4789 5791 9578 11582 14367 17373 28734 33523 34746 40537 67046 81074 90991 100569 110029 121611 181982 201138 220058 243222 272973 330087 545946 636937 660174 770203 1273874 1540406 1910811 2310609 3821622 4621218 27733099 55466198 83199297 166398594 194131693 388263386 526928881 582395079 1053857762 1164790158 1580786643 3161573286 3688502167 7377004334 11065506501 22131013002