Base | Representation |
---|---|
bin | 10001101000111111010… |
… | …100100110101010001110 |
3 | 11021220000022100020020200 |
4 | 101220333110212222032 |
5 | 124330133221041220 |
6 | 2324521413354330 |
7 | 153403341463263 |
oct | 21507724465216 |
9 | 4256008306220 |
10 | 1212243143310 |
11 | 428122718951 |
12 | 176b359389a6 |
13 | 8a410c30cc4 |
14 | 4295c55926a |
15 | 217ee988890 |
hex | 11a3f526a8e |
1212243143310 has 48 divisors (see below), whose sum is σ = 3152782582560. Its totient is φ = 323167360320.
The previous prime is 1212243143303. The next prime is 1212243143317. The reversal of 1212243143310 is 133413422121.
1212243143310 is a `hidden beast` number, since 1 + 2 + 1 + 224 + 3 + 1 + 433 + 1 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (1212243143303) and next prime (1212243143317).
It is a super-2 number, since 2×12122431433102 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1212243143317) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1730421 + ... + 2327840.
It is an arithmetic number, because the mean of its divisors is an integer number (65682970470).
Almost surely, 21212243143310 is an apocalyptic number.
1212243143310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1212243143310 is an abundant number, since it is smaller than the sum of its proper divisors (1940539439250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1212243143310 is a wasteful number, since it uses less digits than its factorization.
1212243143310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4061593 (or 4061590 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
Adding to 1212243143310 its reverse (133413422121), we get a palindrome (1345656565431).
The spelling of 1212243143310 in words is "one trillion, two hundred twelve billion, two hundred forty-three million, one hundred forty-three thousand, three hundred ten".
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