Base | Representation |
---|---|
bin | 10001011110111100000… |
… | …001001110111010011100 |
3 | 11020212011010201202201101 |
4 | 101132330001032322130 |
5 | 124141032240043140 |
6 | 2315534425522444 |
7 | 152542026115615 |
oct | 21367401167234 |
9 | 4225133652641 |
10 | 1201450315420 |
11 | 423594421583 |
12 | 174a23343424 |
13 | 893b0c02304 |
14 | 42216db6c0c |
15 | 213bc1bd99a |
hex | 117bc04ee9c |
1201450315420 has 48 divisors (see below), whose sum is σ = 2561022461088. Its totient is φ = 473348240640.
The previous prime is 1201450315381. The next prime is 1201450315463. The reversal of 1201450315420 is 245130541021.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11597050 + ... + 11700190.
It is an arithmetic number, because the mean of its divisors is an integer number (53354634606).
Almost surely, 21201450315420 is an apocalyptic number.
1201450315420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1201450315420 is an abundant number, since it is smaller than the sum of its proper divisors (1359572145668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1201450315420 is a wasteful number, since it uses less digits than its factorization.
1201450315420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111910 (or 111908 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 28.
Adding to 1201450315420 its reverse (245130541021), we get a palindrome (1446580856441).
The spelling of 1201450315420 in words is "one trillion, two hundred one billion, four hundred fifty million, three hundred fifteen thousand, four hundred twenty".
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