Base | Representation |
---|---|
bin | 11100101000010011… |
… | …100011011101110000 |
3 | 2221100101120212200101 |
4 | 130220103203131300 |
5 | 1000424143020322 |
6 | 22042222002144 |
7 | 2135535032023 |
oct | 345023433560 |
9 | 87311525611 |
10 | 30740985712 |
11 | 12045537618 |
12 | 5b5b116354 |
13 | 2b8ba54898 |
14 | 16b8a111ba |
15 | bedbe5327 |
hex | 7284e3770 |
30740985712 has 20 divisors (see below), whose sum is σ = 59565381520. Its totient is φ = 15369274368.
The previous prime is 30740985701. The next prime is 30740985721. The reversal of 30740985712 is 21758904703.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152848 + ... + 291280.
It is an arithmetic number, because the mean of its divisors is an integer number (2978269076).
Almost surely, 230740985712 is an apocalyptic number.
It is an amenable number.
30740985712 is a deficient number, since it is larger than the sum of its proper divisors (28824395808).
30740985712 is a wasteful number, since it uses less digits than its factorization.
30740985712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 152320 (or 152314 counting only the distinct ones).
The product of its (nonzero) digits is 423360, while the sum is 46.
The spelling of 30740985712 in words is "thirty billion, seven hundred forty million, nine hundred eighty-five thousand, seven hundred twelve".
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