Base | Representation |
---|---|
bin | 100100011010100011… |
… | …1010111010011000101 |
3 | 21110211221002201222222 |
4 | 1020311013113103011 |
5 | 2240123314043323 |
6 | 55531432502125 |
7 | 5435611400444 |
oct | 1106507272305 |
9 | 243757081888 |
10 | 78200534213 |
11 | 3018a18787a |
12 | 131a524a945 |
13 | 74b33a0c69 |
14 | 3adbba0d5b |
15 | 207a51d9c8 |
hex | 12351d74c5 |
78200534213 has 8 divisors (see below), whose sum is σ = 79196200608. Its totient is φ = 77206141584.
The previous prime is 78200534207. The next prime is 78200534219. The reversal of 78200534213 is 31243500287.
It is an interprime number because it is at equal distance from previous prime (78200534207) and next prime (78200534219).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 78200534213 - 210 = 78200533189 is a prime.
It is a super-2 number, since 2×782005342132 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78200534219) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194570 + ... + 440747.
It is an arithmetic number, because the mean of its divisors is an integer number (9899525076).
Almost surely, 278200534213 is an apocalyptic number.
It is an amenable number.
78200534213 is a deficient number, since it is larger than the sum of its proper divisors (995666395).
78200534213 is a wasteful number, since it uses less digits than its factorization.
78200534213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 636883.
The product of its (nonzero) digits is 40320, while the sum is 35.
The spelling of 78200534213 in words is "seventy-eight billion, two hundred million, five hundred thirty-four thousand, two hundred thirteen".
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