Base | Representation |
---|---|
bin | 1110011110110… |
… | …00000000100000 |
3 | 22110120100220020 |
4 | 13033120000200 |
5 | 222044033013 |
6 | 20015313440 |
7 | 3003325611 |
oct | 717300040 |
9 | 273510806 |
10 | 121471008 |
11 | 62626a6a |
12 | 3481b880 |
13 | 1c220649 |
14 | 121bdc08 |
15 | a9e6623 |
hex | 73d8020 |
121471008 has 48 divisors (see below), whose sum is σ = 324104256. Its totient is φ = 39824640.
The previous prime is 121470991. The next prime is 121471013. The reversal of 121471008 is 800174121.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (24).
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, 4516 + ... + 16227.
It is an arithmetic number, because the mean of its divisors is an integer number (6752172).
Almost surely, 2121471008 is an apocalyptic number.
It is an amenable number.
121471008 is an abundant number, since it is smaller than the sum of its proper divisors (202633248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121471008 is a wasteful number, since it uses less digits than its factorization.
121471008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20817 (or 20809 counting only the distinct ones).
The product of its (nonzero) digits is 448, while the sum is 24.
The square root of 121471008 is about 11021.3886602370. The cubic root of 121471008 is about 495.2496893548.
The spelling of 121471008 in words is "one hundred twenty-one million, four hundred seventy-one thousand, eight".
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