| Base | Representation |
|---|---|
| bin | 10001100111000111011… |
| … | …100101111011010110100 |
| 3 | 11021200211011001002120100 |
| 4 | 101213013130233122310 |
| 5 | 124312023343313140 |
| 6 | 2323550052034100 |
| 7 | 153302451233136 |
| oct | 21470734573264 |
| 9 | 4250734032510 |
| 10 | 1210232010420 |
| 11 | 427290467a54 |
| 12 | 176674302930 |
| 13 | 8a180389544 |
| 14 | 4280b403056 |
| 15 | 21733127530 |
| hex | 119c772f6b4 |
1210232010420 has 144 divisors (see below), whose sum is σ = 3889588248000. Its totient is φ = 303540722688.
The previous prime is 1210232010409. The next prime is 1210232010503. The reversal of 1210232010420 is 240102320121.
It is a happy number.
1210232010420 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 232 + 0 + 10 + 420 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 1210232010393 and 1210232010402.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4455019 + ... + 4718861.
It is an arithmetic number, because the mean of its divisors is an integer number (27011029500).
Almost surely, 21210232010420 is an apocalyptic number.
1210232010420 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 1210232010420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1944794124000).
1210232010420 is an abundant number, since it is smaller than the sum of its proper divisors (2679356237580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1210232010420 is a wasteful number, since it uses less digits than its factorization.
1210232010420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 265374 (or 265369 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 1210232010420 its reverse (240102320121), we get a palindrome (1450334330541).
The spelling of 1210232010420 in words is "one trillion, two hundred ten billion, two hundred thirty-two million, ten thousand, four hundred twenty".
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