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12630233641216 = 2838925712
BaseRepresentation
bin1011011111001011010010…
…0101101111000100000000
31122201102211200212021011011
42313302310211233010000
53123413204303004331
642510125500130304
72442334651406062
oct267626445570400
948642750767134
1012630233641216
11402a4a7691544
1214bb9a7836994
13708044c47909
14319441329732
1516d81c1693b1
hexb7cb496f100

12630233641216 has 81 divisors (see below), whose sum is σ = 25320451054773. Its totient is φ = 6287851269120.

The previous prime is 12630233641147. The next prime is 12630233641313. The reversal of 12630233641216 is 61214633203621.

The square root of 12630233641216 is 3553904.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2981506703616 + 9648726937600 = 1726704^2 + 3106240^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 22119498211 + ... + 22119498781.

Almost surely, 212630233641216 is an apocalyptic number.

12630233641216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12630233641216 is the 3553904-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12630233641216

12630233641216 is an abundant number, since it is smaller than the sum of its proper divisors (12690217413557).

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

12630233641216 is an frugal number, since it uses more digits than its factorization.

12630233641216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

Adding to 12630233641216 its reverse (61214633203621), we get a palindrome (73844866844837).

It can be divided in two parts, 12630233 and 641216, that added together give a square (13271449 = 36432).

The spelling of 12630233641216 in words is "twelve trillion, six hundred thirty billion, two hundred thirty-three million, six hundred forty-one thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 32 64 128 256 389 571 778 1142 1556 2284 3112 4568 6224 9136 12448 18272 24896 36544 49792 73088 99584 146176 151321 222119 302642 326041 444238 605284 652082 888476 1210568 1304164 1776952 2421136 2608328 3553904 4842272 5216656 7107808 9684544 10433312 14215616 19369088 20866624 28431232 38738176 41733248 56862464 83466496 86404291 126829949 172808582 253659898 345617164 507319796 691234328 1014639592 1382468656 2029279184 2764937312 4058558368 5529874624 8117116736 11059749248 16234233472 22119498496 32468466944 49336850161 98673700322 197347400644 394694801288 789389602576 1578779205152 3157558410304 6315116820608 12630233641216