Base | Representation |
---|---|
bin | 11011100010010101010100… |
… | …101001101100101001100101 |
3 | 120212210200100002111011122111 |
4 | 123202111110221230221211 |
5 | 111333202320420442440 |
6 | 1105323335431201021 |
7 | 34336443525051436 |
oct | 3342252451545145 |
9 | 525720302434574 |
10 | 121106613062245 |
11 | 356520319157a8 |
12 | 116bb333816171 |
13 | 52763c62c0c15 |
14 | 21c983c92d48d |
15 | e003da98c4ea |
hex | 6e2554a6ca65 |
121106613062245 has 16 divisors (see below), whose sum is σ = 149257469653488. Its totient is φ = 94265662602240.
The previous prime is 121106613062213. The next prime is 121106613062321. The reversal of 121106613062245 is 542260316601121.
It can be written as a sum of positive squares in 8 ways, for example, as 1255222214689 + 119851390847556 = 1120367^2 + 10947666^2 .
It is not a de Polignac number, because 121106613062245 - 25 = 121106613062213 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121106613062198 and 121106613062207.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12140907 + ... + 19738663.
It is an arithmetic number, because the mean of its divisors is an integer number (9328591853343).
Almost surely, 2121106613062245 is an apocalyptic number.
It is an amenable number.
121106613062245 is a deficient number, since it is larger than the sum of its proper divisors (28150856591243).
121106613062245 is an equidigital number, since it uses as much as digits as its factorization.
121106613062245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7683960.
The product of its (nonzero) digits is 103680, while the sum is 40.
Adding to 121106613062245 its reverse (542260316601121), we get a palindrome (663366929663366).
The spelling of 121106613062245 in words is "one hundred twenty-one trillion, one hundred six billion, six hundred thirteen million, sixty-two thousand, two hundred forty-five".
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