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212313143100 = 223522153328709
BaseRepresentation
bin1100010110111011011…
…0010111011100111100
3202022000110122011102110
43011232312113130330
511434304131034400
6241311343254020
721224213640252
oct3055666273474
9668013564373
10212313143100
1182050263923
12351932aa310
1317037303b76
14a3c15345d2
1557c944ce50
hex316ed9773c

212313143100 has 72 divisors (see below), whose sum is σ = 614579883120. Its totient is φ = 56590369280.

The previous prime is 212313143059. The next prime is 212313143117. The reversal of 212313143100 is 1341313212.

It is a super-2 number, since 2×2123131431002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 481546 + ... + 810254.

It is an arithmetic number, because the mean of its divisors is an integer number (8535831710).

Almost surely, 2212313143100 is an apocalyptic number.

212313143100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212313143100 is an abundant number, since it is smaller than the sum of its proper divisors (402266740020).

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

212313143100 is a wasteful number, since it uses less digits than its factorization.

212313143100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330879 (or 330872 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 212313143100 its reverse (1341313212), we get a palindrome (213654456312).

The spelling of 212313143100 in words is "two hundred twelve billion, three hundred thirteen million, one hundred forty-three thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 2153 4306 6459 8612 10765 12918 21530 25836 32295 43060 53825 64590 107650 129180 161475 215300 322950 328709 645900 657418 986127 1314836 1643545 1972254 3287090 3944508 4930635 6574180 8217725 9861270 16435450 19722540 24653175 32870900 49306350 98612700 707710477 1415420954 2123131431 2830841908 3538552385 4246262862 7077104770 8492525724 10615657155 14154209540 17692761925 21231314310 35385523850 42462628620 53078285775 70771047700 106156571550 212313143100