Base | Representation |
---|---|
bin | 101111001000101001… |
… | …1011001101101111001 |
3 | 100200021100002220112112 |
4 | 1132101103121231321 |
5 | 3124300314431301 |
6 | 114300055222105 |
7 | 10212243026525 |
oct | 1362123315571 |
9 | 320240086475 |
10 | 101222030201 |
11 | 39a23219516 |
12 | 1774b077935 |
13 | 9711a48436 |
14 | 4c83486d85 |
15 | 29766779bb |
hex | 17914d9b79 |
101222030201 has 4 divisors (see below), whose sum is σ = 101278994292. Its totient is φ = 101165066112.
The previous prime is 101222030197. The next prime is 101222030213. The reversal of 101222030201 is 102030222101.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102030222101 = 50773 ⋅2009537.
It can be written as a sum of positive squares in 2 ways, for example, as 75710274025 + 25511756176 = 275155^2 + 159724^2 .
It is a cyclic number.
It is not a de Polignac number, because 101222030201 - 22 = 101222030197 is a prime.
It is a super-2 number, since 2×1012220302012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (101222030291) 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, 28479380 + ... + 28482933.
It is an arithmetic number, because the mean of its divisors is an integer number (25319748573).
Almost surely, 2101222030201 is an apocalyptic number.
It is an amenable number.
101222030201 is a deficient number, since it is larger than the sum of its proper divisors (56964091).
101222030201 is an equidigital number, since it uses as much as digits as its factorization.
101222030201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56964090.
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 101222030201 its reverse (102030222101), we get a palindrome (203252252302).
The spelling of 101222030201 in words is "one hundred one billion, two hundred twenty-two million, thirty thousand, two hundred one".
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