Base | Representation |
---|---|
bin | 1110100001110… |
… | …11000000000101 |
3 | 22111022222002220 |
4 | 13100323000011 |
5 | 222200021420 |
6 | 20032122553 |
7 | 3006635013 |
oct | 720730005 |
9 | 274288086 |
10 | 121876485 |
11 | 62883675 |
12 | 34996459 |
13 | 1c333083 |
14 | 122878b3 |
15 | aa76840 |
hex | 743b005 |
121876485 has 16 divisors (see below), whose sum is σ = 206473536. Its totient is φ = 61177088.
The previous prime is 121876481. The next prime is 121876537. The reversal of 121876485 is 584678121.
It is a cyclic number.
It is not a de Polignac number, because 121876485 - 22 = 121876481 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121876481) by changing a digit.
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, 238719 + ... + 239228.
It is an arithmetic number, because the mean of its divisors is an integer number (12904596).
Almost surely, 2121876485 is an apocalyptic number.
121876485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
121876485 is a deficient number, since it is larger than the sum of its proper divisors (84597051).
121876485 is a wasteful number, since it uses less digits than its factorization.
121876485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 477972.
The product of its digits is 107520, while the sum is 42.
The square root of 121876485 is about 11039.7683399608. The cubic root of 121876485 is about 495.8001343652.
The spelling of 121876485 in words is "one hundred twenty-one million, eight hundred seventy-six thousand, four hundred eighty-five".
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