Base | Representation |
---|---|
bin | 10101011101111010100110… |
… | …01011011110100101100000 |
3 | 20012010222111112221210011210 |
4 | 22232331103023132211200 |
5 | 22141421204023140003 |
6 | 244222434345510120 |
7 | 12641422624232061 |
oct | 1256752313364540 |
9 | 205128445853153 |
10 | 47207381068128 |
11 | 140505a0a12316 |
12 | 53651344a2340 |
13 | 204583845b598 |
14 | b92bc6bc6568 |
15 | 56ce8b87d503 |
hex | 2aef532de960 |
47207381068128 has 24 divisors (see below), whose sum is σ = 123919375304088. Its totient is φ = 15735793689344.
The previous prime is 47207381068033. The next prime is 47207381068129. The reversal of 47207381068128 is 82186018370274.
It is a tau number, because it is divible by the number of its divisors (24).
It is a super-2 number, since 2×472073810681282 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47207381068129) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245871776301 + ... + 245871776492.
It is an arithmetic number, because the mean of its divisors is an integer number (5163307304337).
Almost surely, 247207381068128 is an apocalyptic number.
47207381068128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.
It is an amenable number.
47207381068128 is an abundant number, since it is smaller than the sum of its proper divisors (76711994235960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47207381068128 is a wasteful number, since it uses less digits than its factorization.
47207381068128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 491743552806 (or 491743552798 counting only the distinct ones).
The product of its (nonzero) digits is 7225344, while the sum is 57.
The spelling of 47207381068128 in words is "forty-seven trillion, two hundred seven billion, three hundred eighty-one million, sixty-eight thousand, one hundred twenty-eight".
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