Base | Representation |
---|---|
bin | 10001110000010101011… |
… | …110100001000011010101 |
3 | 11022122101000210120010102 |
4 | 101300111132201003111 |
5 | 124442312021031201 |
6 | 2332304230303445 |
7 | 154102661443145 |
oct | 21602536410325 |
9 | 4278330716112 |
10 | 1220131033301 |
11 | 4305001833a4 |
12 | 1785774b7b85 |
13 | 8b09a18052b |
14 | 430a9d9c925 |
15 | 21b121db26b |
hex | 11c157a10d5 |
1220131033301 has 4 divisors (see below), whose sum is σ = 1237315977504. Its totient is φ = 1202946089100.
The previous prime is 1220131033273. The next prime is 1220131033309. The reversal of 1220131033301 is 1033301310221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1220131033301 - 218 = 1220130771157 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1220131033309) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8592471995 + ... + 8592472136.
It is an arithmetic number, because the mean of its divisors is an integer number (309328994376).
Almost surely, 21220131033301 is an apocalyptic number.
It is an amenable number.
1220131033301 is a deficient number, since it is larger than the sum of its proper divisors (17184944203).
1220131033301 is an equidigital number, since it uses as much as digits as its factorization.
1220131033301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17184944202.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 1220131033301 its reverse (1033301310221), we get a palindrome (2253432343522).
The spelling of 1220131033301 in words is "one trillion, two hundred twenty billion, one hundred thirty-one million, thirty-three thousand, three hundred one".
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