Base | Representation |
---|---|
bin | 10101011110110101000010… |
… | …01110110110110100010000 |
3 | 20012020222111002012022202100 |
4 | 22233122201032312310100 |
5 | 22142424432332111403 |
6 | 244245103513320400 |
7 | 12643613252221020 |
oct | 1257324116666420 |
9 | 205228432168670 |
10 | 47238755347728 |
11 | 14062930977a0a |
12 | 536b22b706100 |
13 | 2048798468079 |
14 | b94521969a80 |
15 | 56dbc5e6b2a3 |
hex | 2af6a13b6d10 |
47238755347728 has 120 divisors (see below), whose sum is σ = 151122572689088. Its totient is φ = 13493791316736.
The previous prime is 47238755347727. The next prime is 47238755347747. The reversal of 47238755347728 is 82774355783274.
47238755347728 is a `hidden beast` number, since 4 + 7 + 2 + 3 + 8 + 7 + 553 + 47 + 7 + 28 = 666.
47238755347728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is not an unprimeable number, because it can be changed into a prime (47238755347727) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 655951 + ... + 9742062.
Almost surely, 247238755347728 is an apocalyptic number.
47238755347728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.
It is an amenable number.
47238755347728 is an abundant number, since it is smaller than the sum of its proper divisors (103883817341360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47238755347728 is a wasteful number, since it uses less digits than its factorization.
47238755347728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10402541 (or 10402532 counting only the distinct ones).
The product of its digits is 2212761600, while the sum is 72.
The spelling of 47238755347728 in words is "forty-seven trillion, two hundred thirty-eight billion, seven hundred fifty-five million, three hundred forty-seven thousand, seven hundred twenty-eight".
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