Base | Representation |
---|---|
bin | 101100010001000011… |
… | …001011010000000000 |
3 | 11112200111100222212001 |
4 | 230101003023100000 |
5 | 1234320323413230 |
6 | 33500231313344 |
7 | 3301566105640 |
oct | 542103132000 |
9 | 145614328761 |
10 | 47530685440 |
11 | 19180918517 |
12 | 9265b1b854 |
13 | 46362c5554 |
14 | 242c7ca520 |
15 | 1382bcb0ca |
hex | b110cb400 |
47530685440 has 352 divisors, whose sum is σ = 135937569024. Its totient is φ = 15606743040.
The previous prime is 47530685429. The next prime is 47530685467. The reversal of 47530685440 is 4458603574.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96803595 + ... + 96804085.
Almost surely, 247530685440 is an apocalyptic number.
47530685440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47530685440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67968784512).
47530685440 is an abundant number, since it is smaller than the sum of its proper divisors (88406883584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47530685440 is a wasteful number, since it uses less digits than its factorization.
47530685440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 633 (or 615 counting only the distinct ones).
The product of its (nonzero) digits is 1612800, while the sum is 46.
The spelling of 47530685440 in words is "forty-seven billion, five hundred thirty million, six hundred eighty-five thousand, four hundred forty".
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