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12243002021300 = 2252122430020213
BaseRepresentation
bin1011001000101000101111…
…0010010101010110110100
31121100102022212020210211102
42302022023302111112310
53101042132004140200
642012205114425232
72402346001062011
oct262121362252664
947312285223742
1012243002021300
1139a0256515086
121458938732218
136aa682a0287b
143047c8c3c708
151637066be6d5
hexb228bc955b4

12243002021300 has 18 divisors (see below), whose sum is σ = 26567314386438. Its totient is φ = 4897200808480.

The previous prime is 12243002021293. The next prime is 12243002021311. The reversal of 12243002021300 is 312020034221.

It can be written as a sum of positive squares in 3 ways, for example, as 243747589264 + 11999254432036 = 493708^2 + 3463994^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61215010007 + ... + 61215010206.

Almost surely, 212243002021300 is an apocalyptic number.

12243002021300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12243002021300 is an abundant number, since it is smaller than the sum of its proper divisors (14324312365138).

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

12243002021300 is a wasteful number, since it uses less digits than its factorization.

12243002021300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122430020227 (or 122430020220 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12243002021300 its reverse (312020034221), we get a palindrome (12555022055521).

The spelling of 12243002021300 in words is "twelve trillion, two hundred forty-three billion, two million, twenty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 122430020213 244860040426 489720080852 612150101065 1224300202130 2448600404260 3060750505325 6121501010650 12243002021300