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662389801216 = 28111330835869
BaseRepresentation
bin10011010001110011000…
…00100100000100000000
32100022202002021100012121
421220321200210010000
541323033242114331
61224144144134024
765566431261133
oct11507140440400
92308662240177
10662389801216
11235a10857690
12a8461007314
134a603542150
14240ba2a021a
151236c2cec11
hex9a39824100

662389801216 has 144 divisors (see below), whose sum is σ = 1554113211840. Its totient is φ = 277788303360.

The previous prime is 662389801211. The next prime is 662389801253. The reversal of 662389801216 is 612108983266.

It is a super-3 number, since 3×6623898012163 (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (662389801211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112859530 + ... + 112865398.

It is an arithmetic number, because the mean of its divisors is an integer number (10792452860).

Almost surely, 2662389801216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662389801216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777056605920).

662389801216 is an abundant number, since it is smaller than the sum of its proper divisors (891723410624).

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

662389801216 is a wasteful number, since it uses less digits than its factorization.

662389801216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8992 (or 8978 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 662389801216 in words is "six hundred sixty-two billion, three hundred eighty-nine million, eight hundred one thousand, two hundred sixteen".

Divisors: 1 2 4 8 11 13 16 22 26 32 44 52 64 88 104 128 143 176 208 256 286 352 416 572 704 832 1144 1408 1664 2288 2816 3083 3328 4576 5869 6166 9152 11738 12332 18304 23476 24664 33913 36608 40079 46952 49328 64559 67826 76297 80158 93904 98656 129118 135652 152594 160316 187808 197312 258236 271304 305188 320632 375616 394624 440869 516472 542608 610376 641264 751232 789248 839267 881738 1032944 1085216 1220752 1282528 1502464 1678534 1763476 2065888 2170432 2441504 2565056 3357068 3526952 4131776 4340864 4883008 5130112 6714136 7053904 8263552 8681728 9766016 10260224 13428272 14107808 16527104 18094127 19532032 26856544 28215616 36188254 53713088 56431232 72376508 107426176 112862464 144753016 199035397 214852352 235223651 289506032 398070794 470447302 579012064 796141588 940894604 1158024128 1592283176 1881789208 2316048256 2587460161 3184566352 3763578416 4632096512 5174920322 6369132704 7527156832 10349840644 12738265408 15054313664 20699681288 25476530816 30108627328 41399362576 50953061632 60217254656 82798725152 165597450304 331194900608 662389801216