Base | Representation |
---|---|
bin | 101100100111110001… |
… | …110110110011001000 |
3 | 11120200001220212011102 |
4 | 230213301312303020 |
5 | 1241110434134232 |
6 | 34002132520532 |
7 | 3314206313660 |
oct | 544761666310 |
9 | 146601825142 |
10 | 47912021192 |
11 | 193570a5732 |
12 | 9351780148 |
13 | 46973006c9 |
14 | 24672d31a0 |
15 | 13a6404662 |
hex | b27c76cc8 |
47912021192 has 32 divisors (see below), whose sum is σ = 102690577920. Its totient is φ = 20529331200.
The previous prime is 47912021191. The next prime is 47912021197. The reversal of 47912021192 is 29112021974.
It is not an unprimeable number, because it can be changed into a prime (47912021191) 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 7 ways as a sum of consecutive naturals, for example, 179753 + ... + 357959.
It is an arithmetic number, because the mean of its divisors is an integer number (3209080560).
Almost surely, 247912021192 is an apocalyptic number.
It is an amenable number.
47912021192 is an abundant number, since it is smaller than the sum of its proper divisors (54778556728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47912021192 is a wasteful number, since it uses less digits than its factorization.
47912021192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183021 (or 183017 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 38.
The spelling of 47912021192 in words is "forty-seven billion, nine hundred twelve million, twenty-one thousand, one hundred ninety-two".
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