Base | Representation |
---|---|
bin | 100000100111110010… |
… | …1100000101000000001 |
3 | 20200211020021222120001 |
4 | 1001033211200220001 |
5 | 2121433001203021 |
6 | 52103243320001 |
7 | 5030010131221 |
oct | 1011745405001 |
9 | 220736258501 |
10 | 70054709761 |
11 | 2778a06a353 |
12 | 116b1220001 |
13 | 67b58916aa |
14 | 3567db8081 |
15 | 1c5031b091 |
hex | 104f960a01 |
70054709761 has 4 divisors (see below), whose sum is σ = 71100302512. Its totient is φ = 69009117012.
The previous prime is 70054709741. The next prime is 70054709783. The reversal of 70054709761 is 16790745007.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16790745007 = 181 ⋅92766547.
It is a cyclic number.
It is not a de Polignac number, because 70054709761 - 211 = 70054707713 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70054709741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522796275 + ... + 522796408.
It is an arithmetic number, because the mean of its divisors is an integer number (17775075628).
Almost surely, 270054709761 is an apocalyptic number.
It is an amenable number.
70054709761 is a deficient number, since it is larger than the sum of its proper divisors (1045592751).
70054709761 is a wasteful number, since it uses less digits than its factorization.
70054709761 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1045592750.
The product of its (nonzero) digits is 370440, while the sum is 46.
The spelling of 70054709761 in words is "seventy billion, fifty-four million, seven hundred nine thousand, seven hundred sixty-one".
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