Base | Representation |
---|---|
bin | 10001110011011000011… |
… | …000111000001011100010 |
3 | 11022221210221000210012001 |
4 | 101303120120320023202 |
5 | 130021011141043130 |
6 | 2334004523354214 |
7 | 154250006606140 |
oct | 21633030701342 |
9 | 4287727023161 |
10 | 1223401112290 |
11 | 431929041115 |
12 | 17912a68296a |
13 | 8b49b7b7806 |
14 | 432da3ca590 |
15 | 21c5432d6ca |
hex | 11cd86382e2 |
1223401112290 has 32 divisors (see below), whose sum is σ = 2531258346240. Its totient is φ = 417027228864.
The previous prime is 1223401112281. The next prime is 1223401112293. The reversal of 1223401112290 is 922111043221.
It is not an unprimeable number, because it can be changed into a prime (1223401112293) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50499910 + ... + 50524129.
It is an arithmetic number, because the mean of its divisors is an integer number (79101823320).
Almost surely, 21223401112290 is an apocalyptic number.
1223401112290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1223401112290 is an abundant number, since it is smaller than the sum of its proper divisors (1307857233950).
1223401112290 is a wasteful number, since it uses less digits than its factorization.
1223401112290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101024226.
The product of its (nonzero) digits is 1728, while the sum is 28.
The spelling of 1223401112290 in words is "one trillion, two hundred twenty-three billion, four hundred one million, one hundred twelve thousand, two hundred ninety".
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