Base | Representation |
---|---|
bin | 111000100110010101… |
… | …0101011010110101100 |
3 | 102121201201000000220120 |
4 | 1301030222223112230 |
5 | 3442411101342312 |
6 | 131500454244540 |
7 | 11532002226543 |
oct | 1611452532654 |
9 | 377651000816 |
10 | 121545340332 |
11 | 476021a3199 |
12 | 1b681356750 |
13 | b6003c2b30 |
14 | 5c5068d15a |
15 | 32659a928c |
hex | 1c4caab5ac |
121545340332 has 48 divisors (see below), whose sum is σ = 306301938432. Its totient is φ = 37290772800.
The previous prime is 121545340321. The next prime is 121545340369. The reversal of 121545340332 is 233043545121.
It is a junction number, because it is equal to n+sod(n) for n = 121545340293 and 121545340302.
It is an unprimeable number.
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, 1068544 + ... + 1176807.
It is an arithmetic number, because the mean of its divisors is an integer number (6381290384).
Almost surely, 2121545340332 is an apocalyptic number.
121545340332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121545340332 is an abundant number, since it is smaller than the sum of its proper divisors (184756598100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121545340332 is a wasteful number, since it uses less digits than its factorization.
121545340332 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2245718 (or 2245716 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 33.
Adding to 121545340332 its reverse (233043545121), we get a palindrome (354588885453).
The spelling of 121545340332 in words is "one hundred twenty-one billion, five hundred forty-five million, three hundred forty thousand, three hundred thirty-two".
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