Base | Representation |
---|---|
bin | 10001110000010100111… |
… | …100110100101110101001 |
3 | 11022122100102011211111012 |
4 | 101300110330310232221 |
5 | 124442302240413001 |
6 | 2332303313113305 |
7 | 154102523406044 |
oct | 21602474645651 |
9 | 4278312154435 |
10 | 1220122201001 |
11 | 4304a61a0580 |
12 | 178574558835 |
13 | 8b0983aa312 |
14 | 430a8b3dc5b |
15 | 21b115442bb |
hex | 11c14f34ba9 |
1220122201001 has 8 divisors (see below), whose sum is σ = 1361996876064. Its totient is φ = 1083406605120.
The previous prime is 1220122200943. The next prime is 1220122201021. The reversal of 1220122201001 is 1001022210221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1220122201001 - 210 = 1220122199977 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1220122201021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1289769296 + ... + 1289770241.
It is an arithmetic number, because the mean of its divisors is an integer number (170249609508).
Almost surely, 21220122201001 is an apocalyptic number.
1220122201001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1220122201001 is a deficient number, since it is larger than the sum of its proper divisors (141874675063).
1220122201001 is a wasteful number, since it uses less digits than its factorization.
1220122201001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2579539591.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 1220122201001 its reverse (1001022210221), we get a palindrome (2221144411222).
It can be divided in two parts, 1220 and 122201001, that added together give a palindrome (122202221).
The spelling of 1220122201001 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, two hundred one thousand, one".
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