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42812548220286 = 23213219740727157
BaseRepresentation
bin10011011110000000100101…
…01110101000010101111110
312121120211200002121020110200
421233000102232220111332
521102420044321022121
6231015451345344330
712006050566340325
oct1157002256502576
9177524602536420
1042812548220286
1112706777393239
1249754379380a6
131ab728a6a9400
14a801d1a570bc
154e39bc94ca26
hex26f012ba857e

42812548220286 has 72 divisors (see below), whose sum is σ = 105731394532920. Its totient is φ = 12479771124288.

The previous prime is 42812548220263. The next prime is 42812548220333. The reversal of 42812548220286 is 68202284521824.

42812548220286 is a `hidden beast` number, since 4 + 2 + 8 + 12 + 548 + 2 + 2 + 0 + 2 + 86 = 666.

42812548220286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×428125482202862 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

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 35 ways as a sum of consecutive naturals, for example, 370305781 + ... + 370421376.

It is an arithmetic number, because the mean of its divisors is an integer number (1468491590735).

Almost surely, 242812548220286 is an apocalyptic number.

42812548220286 is an abundant number, since it is smaller than the sum of its proper divisors (62918846312634).

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

42812548220286 is a wasteful number, since it uses less digits than its factorization.

42812548220286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740727210 (or 740727194 counting only the distinct ones).

The product of its (nonzero) digits is 7864320, while the sum is 54.

The spelling of 42812548220286 in words is "forty-two trillion, eight hundred twelve billion, five hundred forty-eight million, two hundred twenty thousand, two hundred eighty-six".

Divisors: 1 2 3 6 9 13 18 19 26 38 39 57 78 114 117 169 171 234 247 338 342 494 507 741 1014 1482 1521 2223 3042 3211 4446 6422 9633 19266 28899 57798 740727157 1481454314 2222181471 4444362942 6666544413 9629453041 13333088826 14073815983 19258906082 28147631966 28888359123 42221447949 57776718246 84442895898 86665077369 125182889533 126664343847 173330154738 182959607779 250365779066 253328687694 365919215558 375548668599 548878823337 751097337198 1097757646674 1126646005797 1646636470011 2253292011594 2378474901127 3293272940022 4756949802254 7135424703381 14270849406762 21406274110143 42812548220286