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21014113214312 = 2319223619958497
BaseRepresentation
bin1001100011100101110101…
…10000001101111101101000
32202101221002200101111112222
410301302322300031331220
510223243400440324222
6112405430023453212
74266135213066221
oct461627260157550
982357080344488
1021014113214312
116772043088809
122434813bb7208
13b9581247a85a
14529134c0c248
1526695a645542
hex131cbac0df68

21014113214312 has 32 divisors (see below), whose sum is σ = 41661211065600. Its totient is φ = 9909416600064.

The previous prime is 21014113214309. The next prime is 21014113214317. The reversal of 21014113214312 is 21341231141012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21014113214317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309945353 + ... + 310013144.

It is an arithmetic number, because the mean of its divisors is an integer number (1301912845800).

Almost surely, 221014113214312 is an apocalyptic number.

It is an amenable number.

21014113214312 is a deficient number, since it is larger than the sum of its proper divisors (20647097851288).

21014113214312 is a wasteful number, since it uses less digits than its factorization.

21014113214312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619958745 (or 619958741 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 21014113214312 its reverse (21341231141012), we get a palindrome (42355344355324).

The spelling of 21014113214312 in words is "twenty-one trillion, fourteen billion, one hundred thirteen million, two hundred fourteen thousand, three hundred twelve".

Divisors: 1 2 4 8 19 38 76 152 223 446 892 1784 4237 8474 16948 33896 619958497 1239916994 2479833988 4959667976 11779211443 23558422886 47116845772 94233691544 138250744831 276501489662 553002979324 1106005958648 2626764151789 5253528303578 10507056607156 21014113214312