Base | Representation |
---|---|
bin | 10110101111110100… |
… | …10011111110100010 |
3 | 1011112002122020200000 |
4 | 23113322103332202 |
5 | 200002323302320 |
6 | 5335452240430 |
7 | 611430011634 |
oct | 132772237642 |
9 | 34462566600 |
10 | 12212322210 |
11 | 51a75a0480 |
12 | 2449a70116 |
13 | 11c814467a |
14 | 83bccaa54 |
15 | 4b7210c90 |
hex | 2d7e93fa2 |
12212322210 has 96 divisors (see below), whose sum is σ = 35921575872. Its totient is φ = 2960556480.
The previous prime is 12212322193. The next prime is 12212322217. The reversal of 12212322210 is 1222321221.
12212322210 is a `hidden beast` number, since 1 + 221 + 232 + 2 + 210 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (12212322217) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 201709 + ... + 255168.
It is an arithmetic number, because the mean of its divisors is an integer number (374183082).
Almost surely, 212212322210 is an apocalyptic number.
12212322210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12212322210 is an abundant number, since it is smaller than the sum of its proper divisors (23709253662).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12212322210 is a wasteful number, since it uses less digits than its factorization.
12212322210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 456910 (or 456898 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 12212322210 its reverse (1222321221), we get a palindrome (13434643431).
The spelling of 12212322210 in words is "twelve billion, two hundred twelve million, three hundred twenty-two thousand, two hundred ten".
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