Base | Representation |
---|---|
bin | 111000100000001111… |
… | …1001111000010000001 |
3 | 102121012110112012002000 |
4 | 1301000133033002001 |
5 | 3442001244423040 |
6 | 131424315014213 |
7 | 11523641413431 |
oct | 1610037170201 |
9 | 377173465060 |
10 | 121341014145 |
11 | 4750792597a |
12 | 1b624a3a369 |
13 | b599c82670 |
14 | 5c314a22c1 |
15 | 3252a98130 |
hex | 1c407cf081 |
121341014145 has 64 divisors (see below), whose sum is σ = 232715562240. Its totient is φ = 59633086464.
The previous prime is 121341014143. The next prime is 121341014159. The reversal of 121341014145 is 541410143121.
It is a happy number.
121341014145 is a `hidden beast` number, since 12 + 134 + 101 + 414 + 5 = 666.
It is not a de Polignac number, because 121341014145 - 21 = 121341014143 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (121341014143) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 952722 + ... + 1072548.
It is an arithmetic number, because the mean of its divisors is an integer number (3636180660).
Almost surely, 2121341014145 is an apocalyptic number.
121341014145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
121341014145 is a deficient number, since it is larger than the sum of its proper divisors (111374548095).
121341014145 is a wasteful number, since it uses less digits than its factorization.
121341014145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120431 (or 120425 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 27.
Adding to 121341014145 its reverse (541410143121), we get a palindrome (662751157266).
The spelling of 121341014145 in words is "one hundred twenty-one billion, three hundred forty-one million, fourteen thousand, one hundred forty-five".
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