Base | Representation |
---|---|
bin | 111001010100101011… |
… | …0000100111101110101 |
3 | 102202202001210011121121 |
4 | 1302221112010331311 |
5 | 4004102124040201 |
6 | 132315040543541 |
7 | 11615352421321 |
oct | 1625126047565 |
9 | 382661704547 |
10 | 123100221301 |
11 | 4822a958292 |
12 | 1ba36021bb1 |
13 | b7ba58c045 |
14 | 5d5ad9a981 |
15 | 33072449a1 |
hex | 1ca9584f75 |
123100221301 has 4 divisors (see below), whose sum is σ = 123103367712. Its totient is φ = 123097074892.
The previous prime is 123100221241. The next prime is 123100221331. The reversal of 123100221301 is 103122001321.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 123100221301 - 27 = 123100221173 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123100221331) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1513771 + ... + 1593016.
It is an arithmetic number, because the mean of its divisors is an integer number (30775841928).
Almost surely, 2123100221301 is an apocalyptic number.
It is an amenable number.
123100221301 is a deficient number, since it is larger than the sum of its proper divisors (3146411).
123100221301 is an equidigital number, since it uses as much as digits as its factorization.
123100221301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3146410.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 123100221301 its reverse (103122001321), we get a palindrome (226222222622).
The spelling of 123100221301 in words is "one hundred twenty-three billion, one hundred million, two hundred twenty-one thousand, three hundred one".
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