Base | Representation |
---|---|
bin | 11101101110010100100… |
… | …10101011111010001111 |
3 | 10121122011020021201102220 |
4 | 32313022102223322033 |
5 | 113213111043121411 |
6 | 2101102415550423 |
7 | 133533536333163 |
oct | 16671222537217 |
9 | 3548136251386 |
10 | 1021301145231 |
11 | 364149964654 |
12 | 145b2782b413 |
13 | 754013bc7a3 |
14 | 3760746aca3 |
15 | 1b87684bb06 |
hex | edca4abe8f |
1021301145231 has 8 divisors (see below), whose sum is σ = 1380388762800. Its totient is φ = 671540478912.
The previous prime is 1021301145229. The next prime is 1021301145251. The reversal of 1021301145231 is 1325411031201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1021301145231 - 21 = 1021301145229 is a prime.
It is a super-2 number, since 2×10213011452312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1021301145251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2331737556 + ... + 2331737993.
It is an arithmetic number, because the mean of its divisors is an integer number (172548595350).
Almost surely, 21021301145231 is an apocalyptic number.
1021301145231 is a deficient number, since it is larger than the sum of its proper divisors (359087617569).
1021301145231 is an equidigital number, since it uses as much as digits as its factorization.
1021301145231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4663475625.
The product of its (nonzero) digits is 720, while the sum is 24.
Adding to 1021301145231 its reverse (1325411031201), we get a palindrome (2346712176432).
The spelling of 1021301145231 in words is "one trillion, twenty-one billion, three hundred one million, one hundred forty-five thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •