Base | Representation |
---|---|
bin | 100101000001010… |
… | …1100111101001010 |
3 | 10012120110102210102 |
4 | 1022002230331022 |
5 | 10021002104120 |
6 | 323133045402 |
7 | 42532500452 |
oct | 11202547512 |
9 | 3176412712 |
10 | 1242222410 |
11 | 5882250a0 |
12 | 2a8026862 |
13 | 16a488760 |
14 | bada0d62 |
15 | 740cad75 |
hex | 4a0acf4a |
1242222410 has 128 divisors (see below), whose sum is σ = 2769500160. Its totient is φ = 394732800.
The previous prime is 1242222391. The next prime is 1242222437. The reversal of 1242222410 is 142222421.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5887205 + ... + 5887415.
It is an arithmetic number, because the mean of its divisors is an integer number (21636720).
Almost surely, 21242222410 is an apocalyptic number.
1242222410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1242222410 is an abundant number, since it is smaller than the sum of its proper divisors (1527277750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1242222410 is a wasteful number, since it uses less digits than its factorization.
1242222410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 444.
The product of its (nonzero) digits is 512, while the sum is 20.
The square root of 1242222410 is about 35245.1756982427. The cubic root of 1242222410 is about 1074.9785205732.
Adding to 1242222410 its reverse (142222421), we get a palindrome (1384444831).
The spelling of 1242222410 in words is "one billion, two hundred forty-two million, two hundred twenty-two thousand, four hundred ten".
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