Base | Representation |
---|---|
bin | 11011100001000111101111… |
… | …100101101011001000010001 |
3 | 120212111201022202222011121210 |
4 | 123201013233211223020101 |
5 | 111330321221130130001 |
6 | 1105221201552410333 |
7 | 34330434343236222 |
oct | 3341075745531021 |
9 | 525451282864553 |
10 | 121023313130001 |
11 | 3561a776210797 |
12 | 116a71668469a9 |
13 | 526b5ac5cb899 |
14 | 21c57b97d5249 |
15 | ded162930dd6 |
hex | 6e11ef96b211 |
121023313130001 has 4 divisors (see below), whose sum is σ = 161364417506672. Its totient is φ = 80682208753332.
The previous prime is 121023313129991. The next prime is 121023313130017. The reversal of 121023313130001 is 100031313320121.
It is a happy number.
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 not a de Polignac number, because 121023313130001 - 25 = 121023313129969 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 121023313130001.
It is not an unprimeable number, because it can be changed into a prime (121023313135001) 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, 20170552188331 + ... + 20170552188336.
It is an arithmetic number, because the mean of its divisors is an integer number (40341104376668).
Almost surely, 2121023313130001 is an apocalyptic number.
It is an amenable number.
121023313130001 is a deficient number, since it is larger than the sum of its proper divisors (40341104376671).
121023313130001 is an equidigital number, since it uses as much as digits as its factorization.
121023313130001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40341104376670.
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 121023313130001 its reverse (100031313320121), we get a palindrome (221054626450122).
The spelling of 121023313130001 in words is "one hundred twenty-one trillion, twenty-three billion, three hundred thirteen million, one hundred thirty thousand, one".
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