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312343020200000 = 26551561715101
BaseRepresentation
bin100011100000100110000011…
…0110001000110000001000000
31111221220200221010001022102102
41013001030012301012001000
5311414412001132400000
63024144222543405532
7122535016133212526
oct10701140661060100
91457820833038372
10312343020200000
1190581a27156619
122b0462055b38a8
1310538a8861053a
14571b6a8ca8316
152619b5ab593d5
hex11c1306c46040

312343020200000 has 84 divisors (see below), whose sum is σ = 774707516928324. Its totient is φ = 124937208000000.

The previous prime is 312343020199967. The next prime is 312343020200047. The reversal of 312343020200000 is 2020343213.

It can be written as a sum of positive squares in 6 ways, for example, as 213942810182656 + 98400210017344 = 14626784^2 + 9919688^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 780657551 + ... + 781057550.

It is an arithmetic number, because the mean of its divisors is an integer number (9222708534861).

Almost surely, 2312343020200000 is an apocalyptic number.

It is an amenable number.

312343020200000 is an abundant number, since it is smaller than the sum of its proper divisors (462364496728324).

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

312343020200000 is an frugal number, since it uses more digits than its factorization.

312343020200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561715138 (or 1561715108 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 312343020200000 its reverse (2020343213), we get a palindrome (312345040543213).

The spelling of 312343020200000 in words is "three hundred twelve trillion, three hundred forty-three billion, twenty million, two hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 1000 1250 1600 2000 2500 3125 4000 5000 6250 8000 10000 12500 20000 25000 40000 50000 100000 200000 1561715101 3123430202 6246860404 7808575505 12493720808 15617151010 24987441616 31234302020 39042877525 49974883232 62468604040 78085755050 99949766464 124937208080 156171510100 195214387625 249874416160 312343020200 390428775250 499748832320 624686040400 780857550500 976071938125 1249372080800 1561715101000 1952143876250 2498744161600 3123430202000 3904287752500 4880359690625 6246860404000 7808575505000 9760719381250 12493720808000 15617151010000 19521438762500 31234302020000 39042877525000 62468604040000 78085755050000 156171510100000 312343020200000