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313444220441212 = 227195393109249187
BaseRepresentation
bin100011101000100110110101…
…1011010101001001001111100
31112002210222022122120122120101
41013101031223122221021330
5312040432230413104322
63030350141554330444
7123010411660631560
oct10721155332511174
91462728278518511
10313444220441212
1190966a46a685a3
122b1a370b289a24
13105b8880c659c3
145758ad19256a0
15263860bb92327
hex11d136b6a927c

313444220441212 has 48 divisors (see below), whose sum is σ = 660004934480640. Its totient is φ = 127239467956992.

The previous prime is 313444220441189. The next prime is 313444220441213. The reversal of 313444220441212 is 212144022444313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313444220441213) 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, 51755518 + ... + 57493669.

It is an arithmetic number, because the mean of its divisors is an integer number (13750102801680).

Almost surely, 2313444220441212 is an apocalyptic number.

It is an amenable number.

313444220441212 is an abundant number, since it is smaller than the sum of its proper divisors (346560714039428).

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

313444220441212 is a wasteful number, since it uses less digits than its factorization.

313444220441212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109254610 (or 109254608 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 313444220441212 its reverse (212144022444313), we get a palindrome (525588242885525).

The spelling of 313444220441212 in words is "three hundred thirteen trillion, four hundred forty-four billion, two hundred twenty million, four hundred forty-one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 5393 10786 21572 37751 75502 102467 151004 204934 409868 717269 1434538 2869076 109249187 218498374 436996748 764744309 1529488618 2075734553 3058977236 4151469106 8302938212 14530141871 29060283742 58120567484 589180865491 1178361730982 2356723461964 4124266058437 8248532116874 11194436444329 16497064233748 22388872888658 44777745777316 78361055110303 156722110220606 313444220441212