Base | Representation |
---|---|
bin | 10011010111111000010… |
… | …001011000100101111010 |
3 | 11201021100022000110210000 |
4 | 103113320101120211322 |
5 | 133303010402414320 |
6 | 2455332341533430 |
7 | 165120051666003 |
oct | 23277021304572 |
9 | 4637308013700 |
10 | 1331310201210 |
11 | 4736729a0840 |
12 | 196025114276 |
13 | 98707a59812 |
14 | 48615a0c1aa |
15 | 2496caa6c90 |
hex | 135f845897a |
1331310201210 has 160 divisors (see below), whose sum is σ = 3914463573504. Its totient is φ = 321974352000.
The previous prime is 1331310201187. The next prime is 1331310201241. The reversal of 1331310201210 is 121020131331.
1331310201210 is a `hidden beast` number, since 1 + 331 + 310 + 2 + 0 + 1 + 21 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3573655 + ... + 3928565.
Almost surely, 21331310201210 is an apocalyptic number.
1331310201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1331310201210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1957231786752).
1331310201210 is an abundant number, since it is smaller than the sum of its proper divisors (2583153372294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1331310201210 is a wasteful number, since it uses less digits than its factorization.
1331310201210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 355362 (or 355353 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 1331310201210 its reverse (121020131331), we get a palindrome (1452330332541).
The spelling of 1331310201210 in words is "one trillion, three hundred thirty-one billion, three hundred ten million, two hundred one thousand, two hundred ten".
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