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664663330075332 = 2237125939679158393
BaseRepresentation
bin1001011100100000011111110…
…1101011110011001011000100
310020011101012020021112121102110
42113020013331223303023010
51144104320444444402312
610313342041334341020
7260000224635101130
oct22710077553631304
93204335207477373
10664663330075332
111828671540aa145
12626682584ba770
13226b46384508a3
14ba1bc3c0063c0
1551c964284043c
hex25c81fdaf32c4

664663330075332 has 96 divisors (see below), whose sum is σ = 1773899263180800. Its totient is φ = 189746991412992.

The previous prime is 664663330075331. The next prime is 664663330075379. The reversal of 664663330075332 is 233570033366466.

It is not an unprimeable number, because it can be changed into a prime (664663330075331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4196213128 + ... + 4196371520.

It is an arithmetic number, because the mean of its divisors is an integer number (18478117324800).

Almost surely, 2664663330075332 is an apocalyptic number.

It is an amenable number.

664663330075332 is an abundant number, since it is smaller than the sum of its proper divisors (1109235933105468).

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

664663330075332 is a wasteful number, since it uses less digits than its factorization.

664663330075332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199345 (or 199343 counting only the distinct ones).

The product of its (nonzero) digits is 88179840, while the sum is 57.

The spelling of 664663330075332 in words is "six hundred sixty-four trillion, six hundred sixty-three billion, three hundred thirty million, seventy-five thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1259 2518 3777 5036 7554 8813 15108 17626 26439 35252 39679 52878 79358 105756 119037 158393 158716 238074 277753 316786 475179 476148 555506 633572 833259 950358 1108751 1111012 1666518 1900716 2217502 3326253 3333036 4435004 6652506 13305012 49955861 99911722 149867583 199416787 199823444 299735166 349691027 398833574 598250361 599470332 699382054 797667148 1049073081 1196500722 1395917509 1398764108 2098146162 2393001444 2791835018 4187752527 4196292324 5583670036 6284875847 8375505054 12569751694 16751010108 18854627541 25139503388 37709255082 43994130929 75418510164 87988261858 131982392787 175976523716 263964785574 527929571148 7912658691373 15825317382746 23737976074119 31650634765492 47475952148238 55388610839611 94951904296476 110777221679222 166165832518833 221554443358444 332331665037666 664663330075332