Base | Representation |
---|---|
bin | 1111010010000… |
… | …1011101110100 |
3 | 11110121121221221 |
4 | 3310201131310 |
5 | 112402201322 |
6 | 10205520124 |
7 | 1405562041 |
oct | 364413564 |
9 | 143547857 |
10 | 64100212 |
11 | 33201490 |
12 | 19573044 |
13 | 10384327 |
14 | 87281c8 |
15 | 59629c7 |
hex | 3d21774 |
64100212 has 12 divisors (see below), whose sum is σ = 122373216. Its totient is φ = 29136440.
The previous prime is 64100189. The next prime is 64100221. The reversal of 64100212 is 21200146.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728368 + ... + 728455.
It is an arithmetic number, because the mean of its divisors is an integer number (10197768).
Almost surely, 264100212 is an apocalyptic number.
It is an amenable number.
64100212 is a deficient number, since it is larger than the sum of its proper divisors (58273004).
64100212 is a wasteful number, since it uses less digits than its factorization.
64100212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1456838 (or 1456836 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 64100212 is about 8006.2608001488. The cubic root of 64100212 is about 400.2086661272.
Adding to 64100212 its reverse (21200146), we get a palindrome (85300358).
The spelling of 64100212 in words is "sixty-four million, one hundred thousand, two hundred twelve".
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