Base | Representation |
---|---|
bin | 100100001000100… |
… | …0001111111000010 |
3 | 10010111101112020102 |
4 | 1020101001333002 |
5 | 4440340033010 |
6 | 320150242402 |
7 | 42021302141 |
oct | 11021017702 |
9 | 3114345212 |
10 | 1212424130 |
11 | 572422215 |
12 | 29a056402 |
13 | 164254538 |
14 | b7045758 |
15 | 71691ba5 |
hex | 48441fc2 |
1212424130 has 32 divisors (see below), whose sum is σ = 2235777984. Its totient is φ = 473126976.
The previous prime is 1212424123. The next prime is 1212424133. The reversal of 1212424130 is 314242121.
It is not an unprimeable number, because it can be changed into a prime (1212424133) 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, 698744 + ... + 700476.
It is an arithmetic number, because the mean of its divisors is an integer number (69868062).
Almost surely, 21212424130 is an apocalyptic number.
1212424130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1212424130 is a deficient number, since it is larger than the sum of its proper divisors (1023353854).
1212424130 is a wasteful number, since it uses less digits than its factorization.
1212424130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3410.
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 1212424130 is about 34819.8812462076. The cubic root of 1212424130 is about 1066.3133759465.
Adding to 1212424130 its reverse (314242121), we get a palindrome (1526666251).
The spelling of 1212424130 in words is "one billion, two hundred twelve million, four hundred twenty-four thousand, one hundred thirty".
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