Base | Representation |
---|---|
bin | 10010000110000000100… |
… | …011000000101011010001 |
3 | 11101212102211121211012202 |
4 | 102012000203000223101 |
5 | 130332441431210001 |
6 | 2351113332332545 |
7 | 155555444254310 |
oct | 22060043005321 |
9 | 4355384554182 |
10 | 1243402210001 |
11 | 43a36214a936 |
12 | 180b90a74155 |
13 | 90338487c83 |
14 | 442768ba277 |
15 | 2252521496b |
hex | 121808c0ad1 |
1243402210001 has 16 divisors (see below), whose sum is σ = 1497464309760. Its totient is φ = 1008571571280.
The previous prime is 1243402209983. The next prime is 1243402210049. The reversal of 1243402210001 is 1000122043421.
It is not a de Polignac number, because 1243402210001 - 214 = 1243402193617 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1243402210201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5009951 + ... + 5252276.
It is an arithmetic number, because the mean of its divisors is an integer number (93591519360).
Almost surely, 21243402210001 is an apocalyptic number.
It is an amenable number.
1243402210001 is a deficient number, since it is larger than the sum of its proper divisors (254062099759).
1243402210001 is a wasteful number, since it uses less digits than its factorization.
1243402210001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10263164.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 1243402210001 its reverse (1000122043421), we get a palindrome (2243524253422).
The spelling of 1243402210001 in words is "one trillion, two hundred forty-three billion, four hundred two million, two hundred ten thousand, one".
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