Base | Representation |
---|---|
bin | 11101000111000010100… |
… | …01111111000110111010 |
3 | 10112121201111100012110201 |
4 | 32203201101333012322 |
5 | 112341413233014320 |
6 | 2043254022232414 |
7 | 132156120506242 |
oct | 16434121770672 |
9 | 3477644305421 |
10 | 1000212001210 |
11 | 356207665604 |
12 | 141a20b8570a |
13 | 73420195546 |
14 | 365a6670b22 |
15 | 1b04019170a |
hex | e8e147f1ba |
1000212001210 has 32 divisors (see below), whose sum is σ = 1826749269072. Its totient is φ = 394260725760.
The previous prime is 1000212001181. The next prime is 1000212001213. The reversal of 1000212001210 is 121002120001.
It can be written as a sum of positive squares in 8 ways, for example, as 54029748249 + 946182252961 = 232443^2 + 972719^2 .
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 (1000212001213) 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, 1986751 + ... + 2438770.
Almost surely, 21000212001210 is an apocalyptic number.
1000212001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1000212001210 is a deficient number, since it is larger than the sum of its proper divisors (826537267862).
1000212001210 is a wasteful number, since it uses less digits than its factorization.
1000212001210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4425858.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 1000212001210 its reverse (121002120001), we get a palindrome (1121214121211).
The spelling of 1000212001210 in words is "one trillion, two hundred twelve million, one thousand, two hundred ten".
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