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12751066328 = 23711133175023
BaseRepresentation
bin10111110000000010…
…11101010011011000
31012220122101021122212
423320001131103120
5202103233110303
65505135334252
7630661163330
oct137001352330
935818337585
1012751066328
11545370a950
12257a381388
131282943780
1488d68a0c0
154e967dad8
hex2f805d4d8

12751066328 has 128 divisors (see below), whose sum is σ = 32208261120. Its totient is φ = 4570421760.

The previous prime is 12751066313. The next prime is 12751066333. The reversal of 12751066328 is 82366015721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2536025 + ... + 2541047.

It is an arithmetic number, because the mean of its divisors is an integer number (251627040).

Almost surely, 212751066328 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 12751066328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16104130560).

12751066328 is an abundant number, since it is smaller than the sum of its proper divisors (19457194792).

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

12751066328 is a wasteful number, since it uses less digits than its factorization.

12751066328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5377 (or 5373 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 12751066328 in words is "twelve billion, seven hundred fifty-one million, sixty-six thousand, three hundred twenty-eight".

Divisors: 1 2 4 7 8 11 13 14 22 26 28 44 52 56 77 88 91 104 143 154 182 286 308 317 364 572 616 634 728 1001 1144 1268 2002 2219 2536 3487 4004 4121 4438 5023 6974 8008 8242 8876 10046 13948 16484 17752 20092 24409 27896 28847 32968 35161 40184 45331 48818 55253 57694 65299 70322 90662 97636 110506 115388 130598 140644 181324 195272 221012 230776 261196 281288 317317 362648 386771 442024 457093 522392 634634 718289 773542 914186 1269268 1436578 1547084 1592291 1828372 2538536 2873156 3094168 3184582 3656744 5028023 5746312 6369164 10056046 11146037 12738328 17515201 20112092 20699783 22292074 35030402 40224184 41399566 44584148 70060804 82799132 89168296 122606407 140121608 144898481 165598264 227697613 245212814 289796962 455395226 490425628 579593924 910790452 980851256 1159187848 1593883291 1821580904 3187766582 6375533164 12751066328