Base | Representation |
---|---|
bin | 1110011100111… |
… | …01001010011110 |
3 | 22110010010021100 |
4 | 13032131022132 |
5 | 222013324412 |
6 | 20010213530 |
7 | 3001303116 |
oct | 716351236 |
9 | 273103240 |
10 | 121229982 |
11 | 62481975 |
12 | 347242a6 |
13 | 1c167a23 |
14 | 1215a046 |
15 | a999edc |
hex | 739d29e |
121229982 has 24 divisors (see below), whose sum is σ = 269765496. Its totient is φ = 39317616.
The previous prime is 121229981. The next prime is 121230017. The reversal of 121229982 is 289922121.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121229981) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90348 + ... + 91679.
It is an arithmetic number, because the mean of its divisors is an integer number (11240229).
Almost surely, 2121229982 is an apocalyptic number.
121229982 is an abundant number, since it is smaller than the sum of its proper divisors (148535514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121229982 is a wasteful number, since it uses less digits than its factorization.
121229982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 182072 (or 182069 counting only the distinct ones).
The product of its digits is 10368, while the sum is 36.
The square root of 121229982 is about 11010.4487646962. The cubic root of 121229982 is about 494.9219099342.
The spelling of 121229982 in words is "one hundred twenty-one million, two hundred twenty-nine thousand, nine hundred eighty-two".
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