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1213642334300 = 2252111318422223
BaseRepresentation
bin10001101010010010101…
…110000110000001011100
311022000121211011111110012
4101222102232012001130
5124341014414144200
62325312315102352
7153453121426304
oct21522256060134
94260554144405
101213642334300
11428780504840
121772664419b8
138a5a4a88476
1442a522da604
152188271da35
hex11a92b8605c

1213642334300 has 72 divisors (see below), whose sum is σ = 2894954211072. Its totient is φ = 437955544000.

The previous prime is 1213642334293. The next prime is 1213642334321. The reversal of 1213642334300 is 34332463121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4067012 + ... + 4355211.

It is an arithmetic number, because the mean of its divisors is an integer number (40207697376).

Almost surely, 21213642334300 is an apocalyptic number.

1213642334300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213642334300 is an abundant number, since it is smaller than the sum of its proper divisors (1681311876772).

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

1213642334300 is a wasteful number, since it uses less digits than its factorization.

1213642334300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8422379 (or 8422372 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 1213642334300 its reverse (34332463121), we get a palindrome (1247974797421).

The spelling of 1213642334300 in words is "one trillion, two hundred thirteen billion, six hundred forty-two million, three hundred thirty-four thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 131 220 262 275 524 550 655 1100 1310 1441 2620 2882 3275 5764 6550 7205 13100 14410 28820 36025 72050 144100 8422223 16844446 33688892 42111115 84222230 92644453 168444460 185288906 210555575 370577812 421111150 463222265 842222300 926444530 1103311213 1852889060 2206622426 2316111325 4413244852 4632222650 5516556065 9264445300 11033112130 12136423343 22066224260 24272846686 27582780325 48545693372 55165560650 60682116715 110331121300 121364233430 242728466860 303410583575 606821167150 1213642334300