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12604620325242 = 2311171011031079887
BaseRepresentation
bin1011011101101011110111…
…1010101100000101111010
31122121222201122212222222210
42313122331322230011322
53123003230300401432
642450252125555550
72440440145665351
oct267327572540572
948558648788883
1012604620325242
11401a653632110
1214b6a39a15bb6
137057c263284a
143180d1730998
1516cd1d6e88cc
hexb76bdeac17a

12604620325242 has 128 divisors (see below), whose sum is σ = 29692531335168. Its totient is φ = 3524747904000.

The previous prime is 12604620325223. The next prime is 12604620325247. The reversal of 12604620325242 is 24252302640621.

It is a self number, because there is not a number n which added to its sum of digits gives 12604620325242.

It is not an unprimeable number, because it can be changed into a prime (12604620325247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11132223 + ... + 12212109.

It is an arithmetic number, because the mean of its divisors is an integer number (231972901056).

Almost surely, 212604620325242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12604620325242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14846265667584).

12604620325242 is an abundant number, since it is smaller than the sum of its proper divisors (17087911009926).

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

12604620325242 is a wasteful number, since it uses less digits than its factorization.

12604620325242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080124.

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 12604620325242 its reverse (24252302640621), we get a palindrome (36856922965863).

The spelling of 12604620325242 in words is "twelve trillion, six hundred four billion, six hundred twenty million, three hundred twenty-five thousand, two hundred forty-two".

Divisors: 1 2 3 6 11 17 22 33 34 51 66 101 102 103 187 202 206 303 309 374 561 606 618 1111 1122 1133 1717 1751 2222 2266 3333 3399 3434 3502 5151 5253 6666 6798 10302 10403 10506 18887 19261 20806 31209 37774 38522 56661 57783 62418 113322 114433 115566 176851 228866 343299 353702 530553 686598 1061106 1079887 1945361 2159774 3239661 3890722 5836083 6479322 11672166 11878757 18358079 23757514 35636271 36716158 55074237 71272542 109068587 110148474 111228361 201938869 218137174 222456722 327205761 333685083 403877738 605816607 654411522 667370166 1199754457 1211633214 1223511971 1854165979 1890882137 2399508914 2447023942 3599263371 3670535913 3708331958 3781764274 5562497937 5672646411 7198526742 7341071826 11124995874 11234064461 11345292822 20395825769 20799703507 22468128922 33702193383 40791651538 41599407014 61187477307 62399110521 67404386766 122374954614 123574709071 124798221042 190979095837 247149418142 370724127213 381958191674 572937287511 741448254426 1145874575022 2100770054207 4201540108414 6302310162621 12604620325242