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968136226781 = 47149509271603
BaseRepresentation
bin11100001011010010110…
…10100111011111011101
310102112221002010000220012
432011221122213133131
5111330220333224111
62020431115133005
7126642214102013
oct16055132473735
93375832100805
10968136226781
1134364772a519
1213776aa44165
13703aaa45169
1434c026848b3
151a2b41d848b
hexe1696a77dd

968136226781 has 16 divisors (see below), whose sum is σ = 997329888000. Its totient is φ = 939325739328.

The previous prime is 968136226777. The next prime is 968136226793. The reversal of 968136226781 is 187622631869.

It is a cyclic number.

It is not a de Polignac number, because 968136226781 - 22 = 968136226777 is a prime.

It is a super-2 number, since 2×9681362267812 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 968136226781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968136226721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3428726 + ... + 3700328.

It is an arithmetic number, because the mean of its divisors is an integer number (62333118000).

Almost surely, 2968136226781 is an apocalyptic number.

It is an amenable number.

968136226781 is a deficient number, since it is larger than the sum of its proper divisors (29193661219).

968136226781 is a wasteful number, since it uses less digits than its factorization.

968136226781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272308.

The product of its digits is 10450944, while the sum is 59.

The spelling of 968136226781 in words is "nine hundred sixty-eight billion, one hundred thirty-six million, two hundred twenty-six thousand, seven hundred eighty-one".

Divisors: 1 47 149 509 7003 23923 75841 271603 3564527 12765341 40468847 138245927 1902035809 6497558569 20598643123 968136226781