Base | Representation |
---|---|
bin | 1111011110011100… |
… | …00101000110100110 |
3 | 210110000202002210000 |
4 | 13233032011012212 |
5 | 114003423202323 |
6 | 3452234042130 |
7 | 412614225645 |
oct | 75716050646 |
9 | 23400662700 |
10 | 8308412838 |
11 | 35839785a0 |
12 | 173a579346 |
13 | a253c821b |
14 | 58b62b35c |
15 | 33961be43 |
hex | 1ef3851a6 |
8308412838 has 80 divisors (see below), whose sum is σ = 20376949824. Its totient is φ = 2509334640.
The previous prime is 8308412837. The next prime is 8308412851. The reversal of 8308412838 is 8382148038.
It is a junction number, because it is equal to n+sod(n) for n = 8308412793 and 8308412802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8308412837) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 539481 + ... + 554667.
Almost surely, 28308412838 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8308412838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10188474912).
8308412838 is an abundant number, since it is smaller than the sum of its proper divisors (12068536986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8308412838 is a wasteful number, since it uses less digits than its factorization.
8308412838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15519 (or 15510 counting only the distinct ones).
The product of its (nonzero) digits is 294912, while the sum is 45.
The square root of 8308412838 is about 91150.4955444566. The cubic root of 8308412838 is about 2025.3776941588.
The spelling of 8308412838 in words is "eight billion, three hundred eight million, four hundred twelve thousand, eight hundred thirty-eight".
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