Base | Representation |
---|---|
bin | 111000110010001111… |
… | …1011001000011111101 |
3 | 102122202120002121220222 |
4 | 1301210133121003331 |
5 | 3444220412110010 |
6 | 132004253151125 |
7 | 11544624460253 |
oct | 1614437310375 |
9 | 378676077828 |
10 | 121945035005 |
11 | 4779787a772 |
12 | 1b77318b4a5 |
13 | b665158461 |
14 | 5c8b7b45d3 |
15 | 328ab0c355 |
hex | 1c647d90fd |
121945035005 has 8 divisors (see below), whose sum is σ = 146335921152. Its totient is φ = 97554775248.
The previous prime is 121945034977. The next prime is 121945035013. The reversal of 121945035005 is 500530549121.
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 121945035005 - 216 = 121944969469 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641252 + ... + 809378.
It is an arithmetic number, because the mean of its divisors is an integer number (18291990144).
Almost surely, 2121945035005 is an apocalyptic number.
It is an amenable number.
121945035005 is a deficient number, since it is larger than the sum of its proper divisors (24390886147).
121945035005 is a wasteful number, since it uses less digits than its factorization.
121945035005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 313195.
The product of its (nonzero) digits is 27000, while the sum is 35.
The spelling of 121945035005 in words is "one hundred twenty-one billion, nine hundred forty-five million, thirty-five thousand, five".
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