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303030131221220 = 225132653994391503
BaseRepresentation
bin100010011100110101011001…
…1010100111110001011100100
31110201221101201212102111100112
41010321222303110332023210
5304204321202043034340
62552254042004232152
7120554130100051154
oct10471526324761344
91421841655374315
10303030131221220
11886113a2105717
1229ba132999b658
13100118075523b0
1454b8a45374764
15250779849c065
hex1139ab353e2e4

303030131221220 has 48 divisors (see below), whose sum is σ = 685317035020800. Its totient is φ = 111887601388416.

The previous prime is 303030131221211. The next prime is 303030131221309. The reversal of 303030131221220 is 22122131030303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66807989 + ... + 71199491.

It is an arithmetic number, because the mean of its divisors is an integer number (14277438229600).

Almost surely, 2303030131221220 is an apocalyptic number.

It is an amenable number.

303030131221220 is an abundant number, since it is smaller than the sum of its proper divisors (382286903799580).

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

303030131221220 is a wasteful number, since it uses less digits than its factorization.

303030131221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4656924 (or 4656922 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 303030131221220 its reverse (22122131030303), we get a palindrome (325152262251523).

The spelling of 303030131221220 in words is "three hundred three trillion, thirty billion, one hundred thirty-one million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 265399 530798 1061596 1326995 2653990 3450187 4391503 5307980 6900374 8783006 13800748 17250935 17566012 21957515 34501870 43915030 57089539 69003740 87830060 114179078 228358156 285447695 570895390 1141790780 1165500504697 2331001009394 4662002018788 5827502523485 11655005046970 15151506561061 23310010093940 30303013122122 60606026244244 75757532805305 151515065610610 303030131221220