Base | Representation |
---|---|
bin | 10001110010011100110… |
… | …010101110001100111001 |
3 | 11022212020020121201201222 |
4 | 101302130302232030321 |
5 | 130011434210113301 |
6 | 2333321405121425 |
7 | 154213146136031 |
oct | 21623462561471 |
9 | 4285206551658 |
10 | 1222401254201 |
11 | 431465704a16 |
12 | 178aab859275 |
13 | 8b36c5ca0ca |
14 | 432436b88c1 |
15 | 21be667931b |
hex | 11c9ccae339 |
1222401254201 has 4 divisors (see below), whose sum is σ = 1226383017552. Its totient is φ = 1218419490852.
The previous prime is 1222401254177. The next prime is 1222401254219. The reversal of 1222401254201 is 1024521042221.
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 1222401254201 - 226 = 1222334145337 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1222401254401) 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, 1990881215 + ... + 1990881828.
It is an arithmetic number, because the mean of its divisors is an integer number (306595754388).
Almost surely, 21222401254201 is an apocalyptic number.
It is an amenable number.
1222401254201 is a deficient number, since it is larger than the sum of its proper divisors (3981763351).
1222401254201 is an equidigital number, since it uses as much as digits as its factorization.
1222401254201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3981763350.
The product of its (nonzero) digits is 2560, while the sum is 26.
Adding to 1222401254201 its reverse (1024521042221), we get a palindrome (2246922296422).
The spelling of 1222401254201 in words is "one trillion, two hundred twenty-two billion, four hundred one million, two hundred fifty-four thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •