Base | Representation |
---|---|
bin | 111000011010100111… |
… | …1110000101110100001 |
3 | 102120201022122000202001 |
4 | 1300311033300232201 |
5 | 3441110004032411 |
6 | 131353500324001 |
7 | 11516161323616 |
oct | 1606517605641 |
9 | 376638560661 |
10 | 121152408481 |
11 | 47420415725 |
12 | 1b591843601 |
13 | b569b87790 |
14 | 5c1440850d |
15 | 324123edc1 |
hex | 1c353f0ba1 |
121152408481 has 8 divisors (see below), whose sum is σ = 131335878464. Its totient is φ = 111092374800.
The previous prime is 121152408473. The next prime is 121152408523. The reversal of 121152408481 is 184804251121.
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 121152408481 - 23 = 121152408473 is a prime.
It is a super-2 number, since 2×1211524084812 (a number of 23 digits) contains 22 as substring.
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 121152408481.
It is not an unprimeable number, because it can be changed into a prime (121152408781) 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 7 ways as a sum of consecutive naturals, for example, 30857031 + ... + 30860956.
It is an arithmetic number, because the mean of its divisors is an integer number (16416984808).
Almost surely, 2121152408481 is an apocalyptic number.
It is an amenable number.
121152408481 is a deficient number, since it is larger than the sum of its proper divisors (10183469983).
121152408481 is a wasteful number, since it uses less digits than its factorization.
121152408481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61718151.
The product of its (nonzero) digits is 20480, while the sum is 37.
The spelling of 121152408481 in words is "one hundred twenty-one billion, one hundred fifty-two million, four hundred eight thousand, four hundred eighty-one".
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