Base | Representation |
---|---|
bin | 100110111000101111… |
… | …0001111001010000111 |
3 | 21222112211021120020222 |
4 | 1031301132033022013 |
5 | 2332011040133224 |
6 | 102210233014555 |
7 | 6014260253066 |
oct | 1156136171207 |
9 | 258484246228 |
10 | 83508130439 |
11 | 32463187438 |
12 | 1422685445b |
13 | 7b4ab8a046 |
14 | 4082a521dd |
15 | 228b484b5e |
hex | 137178f287 |
83508130439 has 8 divisors (see below), whose sum is σ = 88732818000. Its totient is φ = 78318158976.
The previous prime is 83508130427. The next prime is 83508130487. The reversal of 83508130439 is 93403180538.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 83508130439 - 24 = 83508130423 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 83508130439.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83508130939) 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, 8674064 + ... + 8683685.
It is an arithmetic number, because the mean of its divisors is an integer number (11091602250).
Almost surely, 283508130439 is an apocalyptic number.
83508130439 is a deficient number, since it is larger than the sum of its proper divisors (5224687561).
83508130439 is a wasteful number, since it uses less digits than its factorization.
83508130439 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17358049.
The product of its (nonzero) digits is 311040, while the sum is 44.
The spelling of 83508130439 in words is "eighty-three billion, five hundred eight million, one hundred thirty thousand, four hundred thirty-nine".
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