Base | Representation |
---|---|
bin | 110000001101110011011010… |
… | …001010100010100011111001 |
3 | 1000210211020110121100122210011 |
4 | 300031303122022202203321 |
5 | 210243301200044043301 |
6 | 2031000342411421521 |
7 | 62444311160563531 |
oct | 6015633212424371 |
9 | 1023736417318704 |
10 | 212054785534201 |
11 | 61626a251a4945 |
12 | 1b94977a7548a1 |
13 | 91428accc960c |
14 | 3a517137284c1 |
15 | 197b071a45a51 |
hex | c0dcda2a28f9 |
212054785534201 has 9 divisors (see below), whose sum is σ = 214641667517061. Its totient is φ = 209498714507772.
The previous prime is 212054785534199. The next prime is 212054785534213. The reversal of 212054785534201 is 102435587450212.
The square root of 212054785534201 is 14562101.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 212054785534201 - 21 = 212054785534199 is a prime.
It is a super-3 number, since 3×2120547855342013 (a number of 44 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212054785534901) 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 8 ways as a sum of consecutive naturals, for example, 1208566660 + ... + 1208742106.
Almost surely, 2212054785534201 is an apocalyptic number.
212054785534201 is the 14562101-st square number.
212054785534201 is the 7281051-st centered octagonal number.
It is an amenable number.
212054785534201 is a deficient number, since it is larger than the sum of its proper divisors (2586881982860).
212054785534201 is an frugal number, since it uses more digits than its factorization.
212054785534201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 351060 (or 175530 counting only the distinct ones).
The product of its (nonzero) digits is 2688000, while the sum is 49.
The spelling of 212054785534201 in words is "two hundred twelve trillion, fifty-four billion, seven hundred eighty-five million, five hundred thirty-four thousand, two hundred one".
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