Base | Representation |
---|---|
bin | 111000101001010111… |
… | …1101010100001100100 |
3 | 102121222210212200022001 |
4 | 1301102233222201210 |
5 | 3443113202422243 |
6 | 131514540015044 |
7 | 11534351040142 |
oct | 1612257524144 |
9 | 377883780261 |
10 | 121647310948 |
11 | 47654810229 |
12 | 1b6ab531484 |
13 | b618576587 |
14 | 5c60034592 |
15 | 326e8eca4d |
hex | 1c52bea864 |
121647310948 has 12 divisors (see below), whose sum is σ = 212886451120. Its totient is φ = 60822610632.
The previous prime is 121647310943. The next prime is 121647310949. The reversal of 121647310948 is 849013746121.
It is a junction number, because it is equal to n+sod(n) for n = 121647310898 and 121647310907.
It is not an unprimeable number, because it can be changed into a prime (121647310943) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39115 + ... + 494797.
Almost surely, 2121647310948 is an apocalyptic number.
It is an amenable number.
121647310948 is a deficient number, since it is larger than the sum of its proper divisors (91239140172).
121647310948 is a wasteful number, since it uses less digits than its factorization.
121647310948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 522426 (or 522424 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 46.
The spelling of 121647310948 in words is "one hundred twenty-one billion, six hundred forty-seven million, three hundred ten thousand, nine hundred forty-eight".
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