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21054162141301 is a prime number
BaseRepresentation
bin1001100100110000011011…
…10110110000000001110101
32202112202110202111210021011
410302120031312300001311
510224422411002010201
6112440052031152221
74302053523255262
oct462301566600165
982482422453234
1021054162141301
116788024714383
122440530375671
13b99525700ca3
1452b053ab4269
15267a01594151
hex13260ddb0075

21054162141301 has 2 divisors, whose sum is σ = 21054162141302. Its totient is φ = 21054162141300.

The previous prime is 21054162141289. The next prime is 21054162141329. The reversal of 21054162141301 is 10314126145012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18862074616401 + 2192087524900 = 4343049^2 + 1480570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-21054162141301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21054162145301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10527081070650 + 10527081070651.

It is an arithmetic number, because the mean of its divisors is an integer number (10527081070651).

Almost surely, 221054162141301 is an apocalyptic number.

It is an amenable number.

21054162141301 is a deficient number, since it is larger than the sum of its proper divisors (1).

21054162141301 is an equidigital number, since it uses as much as digits as its factorization.

21054162141301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 21054162141301 its reverse (10314126145012), we get a palindrome (31368288286313).

The spelling of 21054162141301 in words is "twenty-one trillion, fifty-four billion, one hundred sixty-two million, one hundred forty-one thousand, three hundred one".