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312013330222020 = 223573371220376411
BaseRepresentation
bin100011011110001100100001…
…1101101101000101111000100
31111220202011221110012010120020
41012330121003231220233010
5311344011300014101040
63023332540051135140
7122502135121511460
oct10674310355505704
91456664843163506
10312013330222020
1190465123815439
122abb2334ba44b0
131051396671622b
14570975097d4a0
1526112b1baecd0
hex11bc643b68bc4

312013330222020 has 96 divisors (see below), whose sum is σ = 998738847138816. Its totient is φ = 71296176163200.

The previous prime is 312013330221961. The next prime is 312013330222039. The reversal of 312013330222020 is 20222033310213.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108772386 + ... + 111604025.

It is an arithmetic number, because the mean of its divisors is an integer number (10403529657696).

Almost surely, 2312013330222020 is an apocalyptic number.

312013330222020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312013330222020 is an abundant number, since it is smaller than the sum of its proper divisors (686725516916796).

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

312013330222020 is a wasteful number, since it uses less digits than its factorization.

312013330222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220379801 (or 220379799 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 312013330222020 its reverse (20222033310213), we get a palindrome (332235363532233).

The spelling of 312013330222020 in words is "three hundred twelve trillion, thirteen billion, three hundred thirty million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 3371 6742 10113 13484 16855 20226 23597 33710 40452 47194 50565 67420 70791 94388 101130 117985 141582 202260 235970 283164 353955 471940 707910 1415820 220376411 440752822 661129233 881505644 1101882055 1322258466 1542634877 2203764110 2644516932 3085269754 3305646165 4407528220 4627904631 6170539508 6611292330 7713174385 9255809262 13222584660 15426348770 18511618524 23139523155 30852697540 46279046310 92558092620 742888881481 1485777762962 2228666644443 2971555525924 3714444407405 4457333288886 5200222170367 7428888814810 8914666577772 10400444340734 11143333222215 14857777629620 15600666511101 20800888681468 22286666444430 26001110851835 31201333022202 44573332888860 52002221703670 62402666044404 78003332555505 104004443407340 156006665111010 312013330222020