Base | Representation |
---|---|
bin | 1110011100010… |
… | …01000001001110 |
3 | 22102221221002100 |
4 | 13032021001032 |
5 | 222003204340 |
6 | 20004335530 |
7 | 3000510423 |
oct | 716110116 |
9 | 272857070 |
10 | 121147470 |
11 | 62425984 |
12 | 346a45a6 |
13 | 1c1392c2 |
14 | 12137d4a |
15 | a980830 |
hex | 738904e |
121147470 has 24 divisors (see below), whose sum is σ = 314983656. Its totient is φ = 32305968.
The previous prime is 121147441. The next prime is 121147493. The reversal of 121147470 is 74741121.
121147470 is a `hidden beast` number, since 121 + 1 + 474 + 70 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 672952 + ... + 673131.
It is an arithmetic number, because the mean of its divisors is an integer number (13124319).
Almost surely, 2121147470 is an apocalyptic number.
121147470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121147470 is an abundant number, since it is smaller than the sum of its proper divisors (193836186).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121147470 is a wasteful number, since it uses less digits than its factorization.
121147470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1346096 (or 1346093 counting only the distinct ones).
The product of its (nonzero) digits is 1568, while the sum is 27.
The square root of 121147470 is about 11006.7011406688. The cubic root of 121147470 is about 494.8095992545.
Adding to 121147470 its reverse (74741121), we get a palindrome (195888591).
The spelling of 121147470 in words is "one hundred twenty-one million, one hundred forty-seven thousand, four hundred seventy".
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