Base | Representation |
---|---|
bin | 111000011101100101… |
… | …1101101110000100001 |
3 | 102120222021001100202202 |
4 | 1300323023231300201 |
5 | 3441311003323131 |
6 | 131411415222545 |
7 | 11521511042240 |
oct | 1607313556041 |
9 | 376867040682 |
10 | 121252011041 |
11 | 47471665597 |
12 | 1b5bb077a55 |
13 | b5846bc3c5 |
14 | 5c23734957 |
15 | 3249d66bcb |
hex | 1c3b2edc21 |
121252011041 has 16 divisors (see below), whose sum is σ = 149584838400. Its totient is φ = 95983597248.
The previous prime is 121252011007. The next prime is 121252011047. The reversal of 121252011041 is 140110252121.
It is not a de Polignac number, because 121252011041 - 218 = 121251748897 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121252011047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12980126 + ... + 12989463.
It is an arithmetic number, because the mean of its divisors is an integer number (9349052400).
Almost surely, 2121252011041 is an apocalyptic number.
It is an amenable number.
121252011041 is a deficient number, since it is larger than the sum of its proper divisors (28332827359).
121252011041 is a wasteful number, since it uses less digits than its factorization.
121252011041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25969648.
The product of its (nonzero) digits is 160, while the sum is 20.
Adding to 121252011041 its reverse (140110252121), we get a palindrome (261362263162).
The spelling of 121252011041 in words is "one hundred twenty-one billion, two hundred fifty-two million, eleven thousand, forty-one".
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