Base | Representation |
---|---|
bin | 10001101000110000111… |
… | …001010100011111111010 |
3 | 11021212101102220122222101 |
4 | 101220300321110133322 |
5 | 124324134241010020 |
6 | 2324441410014014 |
7 | 153364342311655 |
oct | 21506071243772 |
9 | 4255342818871 |
10 | 1212001110010 |
11 | 428009036729 |
12 | 176a8887730a |
13 | 8a3a2a4a832 |
14 | 4293835489c |
15 | 217d85ca00a |
hex | 11a30e547fa |
1212001110010 has 32 divisors (see below), whose sum is σ = 2190401062992. Its totient is φ = 482846730240.
The previous prime is 1212001110007. The next prime is 1212001110013. The reversal of 1212001110010 is 100111002121.
It is an interprime number because it is at equal distance from previous prime (1212001110007) and next prime (1212001110013).
It can be written as a sum of positive squares in 8 ways, for example, as 30460371841 + 1181540738169 = 174529^2 + 1086987^2 .
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (1212001110013) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5904054 + ... + 6105886.
Almost surely, 21212001110010 is an apocalyptic number.
1212001110010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1212001110010 is a deficient number, since it is larger than the sum of its proper divisors (978399952982).
1212001110010 is a wasteful number, since it uses less digits than its factorization.
1212001110010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 204258.
The product of its (nonzero) digits is 4, while the sum is 10.
Adding to 1212001110010 its reverse (100111002121), we get a palindrome (1312112112131).
The spelling of 1212001110010 in words is "one trillion, two hundred twelve billion, one million, one hundred ten thousand, ten".
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