Base | Representation |
---|---|
bin | 100000100110100100… |
… | …1011000000111110111 |
3 | 20200201101021120010102 |
4 | 1001031021120013313 |
5 | 2121342011433341 |
6 | 52055222144315 |
7 | 5026002212645 |
oct | 1011511300767 |
9 | 220641246112 |
10 | 70013780471 |
11 | 27768a54598 |
12 | 1169b58209b |
13 | 67aa260b8b |
14 | 35627a2195 |
15 | 1c4b933c9b |
hex | 104d2581f7 |
70013780471 has 4 divisors (see below), whose sum is σ = 70053721632. Its totient is φ = 69973839312.
The previous prime is 70013780467. The next prime is 70013780483. The reversal of 70013780471 is 17408731007.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17408731007 = 1021 ⋅17050667.
It is a cyclic number.
It is not a de Polignac number, because 70013780471 - 22 = 70013780467 is a prime.
It is a super-3 number, since 3×700137804713 (a number of 34 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70013780411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19967951 + ... + 19971456.
It is an arithmetic number, because the mean of its divisors is an integer number (17513430408).
Almost surely, 270013780471 is an apocalyptic number.
70013780471 is a deficient number, since it is larger than the sum of its proper divisors (39941161).
70013780471 is a wasteful number, since it uses less digits than its factorization.
70013780471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39941160.
The product of its (nonzero) digits is 32928, while the sum is 38.
The spelling of 70013780471 in words is "seventy billion, thirteen million, seven hundred eighty thousand, four hundred seventy-one".
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