Base | Representation |
---|---|
bin | 1110100010000… |
… | …01000101101110 |
3 | 22111101020022111 |
4 | 13101001011232 |
5 | 222201321142 |
6 | 20032434234 |
7 | 3010100506 |
oct | 721010556 |
9 | 274336274 |
10 | 121901422 |
11 | 628a0385 |
12 | 349a897a |
13 | 1c341526 |
14 | 12292a06 |
15 | aa7de17 |
hex | 744116e |
121901422 has 8 divisors (see below), whose sum is σ = 183175200. Its totient is φ = 60843024.
The previous prime is 121901419. The next prime is 121901443. The reversal of 121901422 is 224109121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 121901393 and 121901402.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52422 + ... + 54697.
It is an arithmetic number, because the mean of its divisors is an integer number (22896900).
Almost surely, 2121901422 is an apocalyptic number.
121901422 is a deficient number, since it is larger than the sum of its proper divisors (61273778).
121901422 is a wasteful number, since it uses less digits than its factorization.
121901422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107690.
The product of its (nonzero) digits is 288, while the sum is 22.
The square root of 121901422 is about 11040.8976990098. The cubic root of 121901422 is about 495.8339470808.
The spelling of 121901422 in words is "one hundred twenty-one million, nine hundred one thousand, four hundred twenty-two".
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