Base | Representation |
---|---|
bin | 100000001100010010010… |
… | …000110110011100110100 |
3 | 21211111010000222201012012 |
4 | 200030102100312130310 |
5 | 242221103412032120 |
6 | 4412135523343352 |
7 | 315553511353532 |
oct | 40142220663464 |
9 | 7744100881165 |
10 | 2212214564660 |
11 | 7832164a4221 |
12 | 2b88aa221b58 |
13 | 1307c33017a9 |
14 | 79100c83152 |
15 | 3c8289571c5 |
hex | 20312436734 |
2212214564660 has 12 divisors (see below), whose sum is σ = 4645650585828. Its totient is φ = 884885825856.
The previous prime is 2212214564639. The next prime is 2212214564701. The reversal of 2212214564660 is 664654122122.
It can be written as a sum of positive squares in 2 ways, for example, as 1086022431376 + 1126192133284 = 1042124^2 + 1061222^2 .
It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.
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, 55305364097 + ... + 55305364136.
It is an arithmetic number, because the mean of its divisors is an integer number (387137548819).
Almost surely, 22212214564660 is an apocalyptic number.
2212214564660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2212214564660 is an abundant number, since it is smaller than the sum of its proper divisors (2433436021168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2212214564660 is a wasteful number, since it uses less digits than its factorization.
2212214564660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110610728242 (or 110610728240 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 41.
Adding to 2212214564660 its reverse (664654122122), we get a palindrome (2876868686782).
The spelling of 2212214564660 in words is "two trillion, two hundred twelve billion, two hundred fourteen million, five hundred sixty-four thousand, six hundred sixty".
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