| Base | Representation |
|---|---|
| bin | 10001100110111001101… |
| … | …100000000001001110100 |
| 3 | 11021200020001121011022101 |
| 4 | 101212321230000021310 |
| 5 | 124311040242130400 |
| 6 | 2323511123311444 |
| 7 | 153263645622520 |
| oct | 21467154001164 |
| 9 | 4250201534271 |
| 10 | 1210001130100 |
| 11 | 427182103174 |
| 12 | 17660ab1b584 |
| 13 | 8a1445ac679 |
| 14 | 427c88a2d80 |
| 15 | 2171cc1d56a |
| hex | 119b9b00274 |
1210001130100 has 144 divisors (see below), whose sum is σ = 3155171806080. Its totient is φ = 393985267200.
The previous prime is 1210001130097. The next prime is 1210001130103. The reversal of 1210001130100 is 10311000121.
It is an interprime number because it is at equal distance from previous prime (1210001130097) and next prime (1210001130103).
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1210001130103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 749727 + ... + 1726873.
It is an arithmetic number, because the mean of its divisors is an integer number (21910915320).
Almost surely, 21210001130100 is an apocalyptic number.
1210001130100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1210001130100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1577585903040).
1210001130100 is an abundant number, since it is smaller than the sum of its proper divisors (1945170675980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1210001130100 is a wasteful number, since it uses less digits than its factorization.
1210001130100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 977258 (or 977251 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 10.
Adding to 1210001130100 its reverse (10311000121), we get a palindrome (1220312130221).
The spelling of 1210001130100 in words is "one trillion, two hundred ten billion, one million, one hundred thirty thousand, one hundred".
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