Base | Representation |
---|---|
bin | 10010111010111010101… |
… | …101001010100101101101 |
3 | 11121022002001020212022001 |
4 | 102322322231022211231 |
5 | 132300313401303141 |
6 | 2433150454452301 |
7 | 162636323054125 |
oct | 22727255124555 |
9 | 4538061225261 |
10 | 1300212525421 |
11 | 46146508a737 |
12 | 18bba6664091 |
13 | 957c0148924 |
14 | 46d058abc85 |
15 | 23c4c905a31 |
hex | 12ebab4a96d |
1300212525421 has 8 divisors (see below), whose sum is σ = 1303222817600. Its totient is φ = 1297202454720.
The previous prime is 1300212525377. The next prime is 1300212525449. The reversal of 1300212525421 is 1245252120031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1300212525421 - 29 = 1300212524909 is a prime.
It is a super-2 number, since 2×13002125254212 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1300212525421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1300212535421) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 20258101 + ... + 20322181.
It is an arithmetic number, because the mean of its divisors is an integer number (162902852200).
Almost surely, 21300212525421 is an apocalyptic number.
It is an amenable number.
1300212525421 is a deficient number, since it is larger than the sum of its proper divisors (3010292179).
1300212525421 is an equidigital number, since it uses as much as digits as its factorization.
1300212525421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110739.
The product of its (nonzero) digits is 4800, while the sum is 28.
Adding to 1300212525421 its reverse (1245252120031), we get a palindrome (2545464645452).
The spelling of 1300212525421 in words is "one trillion, three hundred billion, two hundred twelve million, five hundred twenty-five thousand, four hundred twenty-one".
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