Base | Representation |
---|---|
bin | 11011100010100001110100… |
… | …011111010101110100111001 |
3 | 120212211221222021210221110001 |
4 | 123202201310133111310321 |
5 | 111333412311210320441 |
6 | 1105333435152153001 |
7 | 34340430210134236 |
oct | 3342416437256471 |
9 | 525757867727401 |
10 | 121120032120121 |
11 | 356577985a2581 |
12 | 11701a59838761 |
13 | 5277754447858 |
14 | 21ca352bc078d |
15 | e00923ab9731 |
hex | 6e28747d5d39 |
121120032120121 has 8 divisors (see below), whose sum is σ = 124119445386888. Its totient is φ = 118122774384000.
The previous prime is 121120032120067. The next prime is 121120032120133. The reversal of 121120032120121 is 121021230021121.
It can be written as a sum of positive squares in 4 ways, for example, as 10997255396521 + 110122776723600 = 3316211^2 + 10493940^2 .
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 121120032120121 - 213 = 121120032111929 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121120032120151) 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, 538768890 + ... + 538993651.
It is an arithmetic number, because the mean of its divisors is an integer number (15514930673361).
Almost surely, 2121120032120121 is an apocalyptic number.
It is an amenable number.
121120032120121 is a deficient number, since it is larger than the sum of its proper divisors (2999413266767).
121120032120121 is a wasteful number, since it uses less digits than its factorization.
121120032120121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1077765323.
The product of its (nonzero) digits is 96, while the sum is 19.
Adding to 121120032120121 its reverse (121021230021121), we get a palindrome (242141262141242).
The spelling of 121120032120121 in words is "one hundred twenty-one trillion, one hundred twenty billion, thirty-two million, one hundred twenty thousand, one hundred twenty-one".
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