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312130635342100 = 2252194335331081361
BaseRepresentation
bin100011011111000011001001…
…1101001001010000100010100
31111221011101201122110122210021
41012332012103221022010110
5311402422020121421400
63023502500115034524
7122513460055544221
oct10676062351120424
91457141648418707
10312130635342100
11904aa94a470373
122b01101229ba44
1310521a3c4ba4a3
1457112bc026948
15261437a29271a
hex11be193a4a114

312130635342100 has 144 divisors (see below), whose sum is σ = 729760000495680. Its totient is φ = 115497552844800.

The previous prime is 312130635342077. The next prime is 312130635342139. The reversal of 312130635342100 is 1243536031213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 288105420 + ... + 289186780.

It is an arithmetic number, because the mean of its divisors is an integer number (5067777781220).

Almost surely, 2312130635342100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312130635342100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364880000247840).

312130635342100 is an abundant number, since it is smaller than the sum of its proper divisors (417629365153580).

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

312130635342100 is a wasteful number, since it uses less digits than its factorization.

312130635342100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084970 (or 1084963 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 312130635342100 in words is "three hundred twelve trillion, one hundred thirty billion, six hundred thirty-five million, three hundred forty-two thousand, one hundred".

Divisors: 1 2 4 5 10 19 20 25 38 43 50 76 86 95 100 172 190 215 380 430 475 817 860 950 1075 1634 1900 2150 3268 3533 4085 4300 7066 8170 14132 16340 17665 20425 35330 40850 67127 70660 81700 88325 134254 151919 176650 268508 303838 335635 353300 607676 671270 759595 1081361 1342540 1519190 1678175 2162722 2886461 3038380 3356350 3797975 4325444 5406805 5772922 6712700 7595950 10813610 11545844 14432305 15191900 20545859 21627220 27034025 28864610 41091718 46498523 54068050 57729220 72161525 82183436 92997046 102729295 108136100 144323050 185994092 205458590 232492615 288646100 410917180 464985230 513646475 883471937 929970460 1027292950 1162463075 1766943874 2054585900 2324926150 3533887748 3820448413 4417359685 4649852300 7640896826 8834719370 15281793652 17669438740 19102242065 22086798425 38204484130 44173596850 72588519847 76408968260 88347193700 95511210325 145177039694 164279281759 191022420650 290354079388 328558563518 362942599235 382044841300 657117127036 725885198470 821396408795 1451770396940 1642792817590 1814712996175 3121306353421 3285585635180 3629425992350 4106982043975 6242612706842 7258851984700 8213964087950 12485225413684 15606531767105 16427928175900 31213063534210 62426127068420 78032658835525 156065317671050 312130635342100