Base | Representation |
---|---|
bin | 100100001010000… |
… | …1001110000101010 |
3 | 10010112221002201002 |
4 | 1020110021300222 |
5 | 4441042224120 |
6 | 320215555002 |
7 | 42031250612 |
oct | 11024116052 |
9 | 3115832632 |
10 | 1213242410 |
11 | 572930a86 |
12 | 29a38ba62 |
13 | 16447cb23 |
14 | b71b9a42 |
15 | 717a4375 |
hex | 48509c2a |
1213242410 has 16 divisors (see below), whose sum is σ = 2278786176. Its totient is φ = 464197008.
The previous prime is 1213242409. The next prime is 1213242419. The reversal of 1213242410 is 142423121.
It is not an unprimeable number, because it can be changed into a prime (1213242419) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2637254 + ... + 2637713.
It is an arithmetic number, because the mean of its divisors is an integer number (142424136).
Almost surely, 21213242410 is an apocalyptic number.
1213242410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1213242410 is a deficient number, since it is larger than the sum of its proper divisors (1065543766).
1213242410 is a wasteful number, since it uses less digits than its factorization.
1213242410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5274997.
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 1213242410 is about 34831.6294479601. The cubic root of 1213242410 is about 1066.5532113486.
Adding to 1213242410 its reverse (142423121), we get a palindrome (1355665531).
The spelling of 1213242410 in words is "one billion, two hundred thirteen million, two hundred forty-two thousand, four hundred ten".
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