Base | Representation |
---|---|
bin | 111000011011011000… |
… | …1101011011100010100 |
3 | 102120210002221010021000 |
4 | 1300312301223130110 |
5 | 3441133041430243 |
6 | 131400214423300 |
7 | 11516622442035 |
oct | 1606661533424 |
9 | 376702833230 |
10 | 121178076948 |
11 | 47433957835 |
12 | 1b59a361b30 |
13 | b5722a4016 |
14 | 5c179aaa8c |
15 | 32436105d3 |
hex | 1c36c6b714 |
121178076948 has 48 divisors (see below), whose sum is σ = 315283489920. Its totient is φ = 40248936000.
The previous prime is 121178076947. The next prime is 121178076967. The reversal of 121178076948 is 849670871121.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 121178076894 and 121178076903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121178076947) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1966128 + ... + 2026823.
It is an arithmetic number, because the mean of its divisors is an integer number (6568406040).
Almost surely, 2121178076948 is an apocalyptic number.
121178076948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
121178076948 is an abundant number, since it is smaller than the sum of its proper divisors (194105412972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121178076948 is a wasteful number, since it uses less digits than its factorization.
121178076948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3993245 (or 3993237 counting only the distinct ones).
The product of its (nonzero) digits is 1354752, while the sum is 54.
The spelling of 121178076948 in words is "one hundred twenty-one billion, one hundred seventy-eight million, seventy-six thousand, nine hundred forty-eight".
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