Base | Representation |
---|---|
bin | 10001110010000111110… |
… | …110111010111101111011 |
3 | 11022211022202201212120000 |
4 | 101302013312322331323 |
5 | 130010224302033111 |
6 | 2333222501204043 |
7 | 154201352616045 |
oct | 21620766727573 |
9 | 4284282655500 |
10 | 1222050033531 |
11 | 4312a54266a8 |
12 | 178a12100623 |
13 | 8b314907422 |
14 | 4320cbb0a95 |
15 | 21bc58edc56 |
hex | 11c87dbaf7b |
1222050033531 has 20 divisors (see below), whose sum is σ = 1825804041600. Its totient is φ = 814578406416.
The previous prime is 1222050033509. The next prime is 1222050033551. The reversal of 1222050033531 is 1353300502221.
It is a happy number.
1222050033531 is a `hidden beast` number, since 122 + 2 + 0 + 5 + 0 + 0 + 3 + 3 + 531 = 666.
It is not a de Polignac number, because 1222050033531 - 26 = 1222050033467 is a prime.
It is a super-2 number, since 2×12220500335312 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 1222050033495 and 1222050033504.
It is not an unprimeable number, because it can be changed into a prime (1222050033551) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 578476 + ... + 1666953.
It is an arithmetic number, because the mean of its divisors is an integer number (91290202080).
Almost surely, 21222050033531 is an apocalyptic number.
1222050033531 is a deficient number, since it is larger than the sum of its proper divisors (603754008069).
1222050033531 is an equidigital number, since it uses as much as digits as its factorization.
1222050033531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2252160 (or 2252151 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
Adding to 1222050033531 its reverse (1353300502221), we get a palindrome (2575350535752).
The spelling of 1222050033531 in words is "one trillion, two hundred twenty-two billion, fifty million, thirty-three thousand, five hundred thirty-one".
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