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312202013020000 = 2554102115289031
BaseRepresentation
bin100011011111100100011001…
…0000101011000111101100000
31111221102012222002011101110021
41012333020302011120331200
5311410104210313120000
63023555342542243224
7122521564632026425
oct10677106205307540
91457365862141407
10312202013020000
1190528148295214
122b022a12586514
13105286a619925c
14571492d9bdd4c
1526161567d911a
hex11bf232158f60

312202013020000 has 120 divisors (see below), whose sum is σ = 768816098808912. Its totient is φ = 124758484800000.

The previous prime is 312202013019983. The next prime is 312202013020003. The reversal of 312202013020000 is 20310202213.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312202013020003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12775485 + ... + 28064515.

Almost surely, 2312202013020000 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 312202013020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384408049404456).

312202013020000 is an abundant number, since it is smaller than the sum of its proper divisors (456614085788912).

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

312202013020000 is a wasteful number, since it uses less digits than its factorization.

312202013020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15290082 (or 15290059 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 312202013020000 its reverse (20310202213), we get a palindrome (312222323222213).

The spelling of 312202013020000 in words is "three hundred twelve trillion, two hundred two billion, thirteen million, twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1021 1250 2000 2042 2500 4000 4084 5000 5105 8168 10000 10210 16336 20000 20420 25525 32672 40840 51050 81680 102100 127625 163360 204200 255250 408400 510500 638125 816800 1021000 1276250 2042000 2552500 4084000 5105000 10210000 15289031 20420000 30578062 61156124 76445155 122312248 152890310 244624496 305780620 382225775 489248992 611561240 764451550 1223122480 1528903100 1911128875 2446244960 3057806200 3822257750 6115612400 7644515500 9555644375 12231224800 15289031000 15610100651 19111288750 30578062000 31220201302 38222577500 61156124000 62440402604 76445155000 78050503255 124880805208 152890310000 156101006510 249761610416 305780620000 312202013020 390252516275 499523220832 624404026040 780505032550 1248808052080 1561010065100 1951262581375 2497616104160 3122020130200 3902525162750 6244040260400 7805050325500 9756312906875 12488080520800 15610100651000 19512625813750 31220201302000 39025251627500 62440402604000 78050503255000 156101006510000 312202013020000