Base | Representation |
---|---|
bin | 1110100010001… |
… | …01100000011010 |
3 | 22111102011010120 |
4 | 13101011200122 |
5 | 222202411024 |
6 | 20033054110 |
7 | 3010204323 |
oct | 721054032 |
9 | 274364116 |
10 | 121919514 |
11 | 62902a32 |
12 | 349b7336 |
13 | 1c349832 |
14 | 1229944a |
15 | aa84479 |
hex | 744581a |
121919514 has 32 divisors (see below), whose sum is σ = 252157056. Its totient is φ = 39268800.
The previous prime is 121919503. The next prime is 121919521. The reversal of 121919514 is 415919121.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31704 + ... + 35340.
It is an arithmetic number, because the mean of its divisors is an integer number (7879908).
Almost surely, 2121919514 is an apocalyptic number.
121919514 is an abundant number, since it is smaller than the sum of its proper divisors (130237542).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121919514 is a wasteful number, since it uses less digits than its factorization.
121919514 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3830.
The product of its digits is 3240, while the sum is 33.
The square root of 121919514 is about 11041.7169860489. The cubic root of 121919514 is about 495.8584755998.
The spelling of 121919514 in words is "one hundred twenty-one million, nine hundred nineteen thousand, five hundred fourteen".
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