Base | Representation |
---|---|
bin | 10001100111110101010… |
… | …110111001101000100100 |
3 | 11021202210211100101000210 |
4 | 101213311112321220210 |
5 | 124320113032400312 |
6 | 2324154324335420 |
7 | 153330523061145 |
oct | 21476526715044 |
9 | 4252724311023 |
10 | 1211002231332 |
11 | 427646209363 |
12 | 17684a244570 |
13 | 8a273b13b6a |
14 | 42881819acc |
15 | 2177aa6ae3c |
hex | 119f55b9a24 |
1211002231332 has 48 divisors (see below), whose sum is σ = 2951228589120. Its totient is φ = 386100565632.
The previous prime is 1211002231301. The next prime is 1211002231363. The reversal of 1211002231332 is 2331322001121.
It is an interprime number because it is at equal distance from previous prime (1211002231301) and next prime (1211002231363).
It is a junction number, because it is equal to n+sod(n) for n = 1211002231299 and 1211002231308.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23088063 + ... + 23140454.
It is an arithmetic number, because the mean of its divisors is an integer number (61483928940).
Almost surely, 21211002231332 is an apocalyptic number.
1211002231332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1211002231332 is an abundant number, since it is smaller than the sum of its proper divisors (1740226357788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1211002231332 is a wasteful number, since it uses less digits than its factorization.
1211002231332 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46228620 (or 46228618 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 1211002231332 its reverse (2331322001121), we get a palindrome (3542324232453).
The spelling of 1211002231332 in words is "one trillion, two hundred eleven billion, two million, two hundred thirty-one thousand, three hundred thirty-two".
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