Base | Representation |
---|---|
bin | 111000100001100000… |
… | …1010010010001110010 |
3 | 102121022102110102112111 |
4 | 1301003001102101302 |
5 | 3442043133313040 |
6 | 131432433315534 |
7 | 11524665452566 |
oct | 1610301222162 |
9 | 377272412474 |
10 | 121383494770 |
11 | 4752990022a |
12 | 1b637105baa |
13 | b5a5a07325 |
14 | 5c36d9d6a6 |
15 | 3256689dea |
hex | 1c43052472 |
121383494770 has 8 divisors (see below), whose sum is σ = 218490290604. Its totient is φ = 48553397904.
The previous prime is 121383494759. The next prime is 121383494801. The reversal of 121383494770 is 77494383121.
It can be written as a sum of positive squares in 2 ways, for example, as 112373118841 + 9010375929 = 335221^2 + 94923^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6069174729 + ... + 6069174748.
Almost surely, 2121383494770 is an apocalyptic number.
121383494770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121383494770 is a deficient number, since it is larger than the sum of its proper divisors (97106795834).
121383494770 is a wasteful number, since it uses less digits than its factorization.
121383494770 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12138349484.
The product of its (nonzero) digits is 1016064, while the sum is 49.
The spelling of 121383494770 in words is "one hundred twenty-one billion, three hundred eighty-three million, four hundred ninety-four thousand, seven hundred seventy".
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