Base | Representation |
---|---|
bin | 111000110000101100… |
… | …1111110010011111110 |
3 | 102122121221201100121122 |
4 | 1301201121332103332 |
5 | 3444114140024240 |
6 | 131555204030542 |
7 | 11543425545056 |
oct | 1614131762376 |
9 | 378557640548 |
10 | 121893283070 |
11 | 47770642779 |
12 | 1b759992452 |
13 | b657508800 |
14 | 5c84982566 |
15 | 32862d84b5 |
hex | 1c6167e4fe |
121893283070 has 48 divisors (see below), whose sum is σ = 237900058560. Its totient is φ = 44946824832.
The previous prime is 121893283067. The next prime is 121893283081. The reversal of 121893283070 is 70382398121.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1231691 + ... + 1326969.
It is an arithmetic number, because the mean of its divisors is an integer number (4956251220).
Almost surely, 2121893283070 is an apocalyptic number.
121893283070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121893283070 is a deficient number, since it is larger than the sum of its proper divisors (116006775490).
121893283070 is a wasteful number, since it uses less digits than its factorization.
121893283070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96069 (or 96056 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 44.
The spelling of 121893283070 in words is "one hundred twenty-one billion, eight hundred ninety-three million, two hundred eighty-three thousand, seventy".
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