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13420452214121 = 166939472037247
BaseRepresentation
bin1100001101001011000101…
…0010010111010101101001
31202111222112101112000200012
43003102301102113111221
53224340041231322441
644313134242421305
72553411213430001
oct303226122272551
952458471460605
1013420452214121
11430464444a297
121608b82361835
1376470a594ab4
143457a6587001
1518416b8759eb
hexc34b1497569

13420452214121 has 8 divisors (see below), whose sum is σ = 13431902023680. Its totient is φ = 13409006490288.

The previous prime is 13420452214111. The next prime is 13420452214151. The reversal of 13420452214121 is 12141225402431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13420452214121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13420452214111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5568920 + ... + 7606166.

It is an arithmetic number, because the mean of its divisors is an integer number (1678987752960).

Almost surely, 213420452214121 is an apocalyptic number.

It is an amenable number.

13420452214121 is a deficient number, since it is larger than the sum of its proper divisors (11449809559).

13420452214121 is a wasteful number, since it uses less digits than its factorization.

13420452214121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042863.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 13420452214121 its reverse (12141225402431), we get a palindrome (25561677616552).

The spelling of 13420452214121 in words is "thirteen trillion, four hundred twenty billion, four hundred fifty-two million, two hundred fourteen thousand, one hundred twenty-one".

Divisors: 1 1669 3947 2037247 6587543 3400165243 8041013909 13420452214121