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212455332115 = 513192931718713
BaseRepresentation
bin1100010111011101010…
…0110001100100010011
3202022101101012010002021
43011313110301210103
511440102031111430
6241333423032311
721230561345425
oct3056724614423
9668341163067
10212455332115
1182113550604
1235212a3b697
131705a8c9690
14a3d6388815
1557d6b8807a
hex3177531913

212455332115 has 64 divisors (see below), whose sum is σ = 299933020800. Its totient is φ = 143047102464.

The previous prime is 212455332101. The next prime is 212455332139. The reversal of 212455332115 is 511233554212.

212455332115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 212455332115 - 235 = 178095593747 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11343999 + ... + 11362711.

It is an arithmetic number, because the mean of its divisors is an integer number (4686453450).

Almost surely, 2212455332115 is an apocalyptic number.

212455332115 is a deficient number, since it is larger than the sum of its proper divisors (87477688685).

212455332115 is a wasteful number, since it uses less digits than its factorization.

212455332115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19096.

The product of its digits is 36000, while the sum is 34.

Adding to 212455332115 its reverse (511233554212), we get a palindrome (723688886327).

The spelling of 212455332115 in words is "two hundred twelve billion, four hundred fifty-five million, three hundred thirty-two thousand, one hundred fifteen".

Divisors: 1 5 13 19 29 65 95 145 247 317 377 551 1235 1585 1885 2755 4121 6023 7163 9193 18713 20605 30115 35815 45965 78299 93565 119509 174667 243269 355547 391495 542677 597545 873335 1216345 1777735 2270671 2713385 4622111 5932021 7054801 10310863 11353355 23110555 29660105 35274005 51554315 77116273 112708399 134041219 172028609 385581365 563541995 670206095 860143045 1465209187 2236371917 3268543571 7326045935 11181859585 16342717855 42491066423 212455332115