Base | Representation |
---|---|
bin | 1000111110110000111… |
… | …10000111000010111010 |
3 | 1002111111002021012200210 |
4 | 10133120132013002322 |
5 | 20023430024343400 |
6 | 353431313211550 |
7 | 31202522355402 |
oct | 4373036070272 |
9 | 1074432235623 |
10 | 308574449850 |
11 | 109958261397 |
12 | 4b978b60bb6 |
13 | 23138392b84 |
14 | 10d13c21802 |
15 | 806032b950 |
hex | 47d87870ba |
308574449850 has 96 divisors (see below), whose sum is σ = 774572924160. Its totient is φ = 81287331840.
The previous prime is 308574449849. The next prime is 308574449881. The reversal of 308574449850 is 58944475803.
It is a happy number.
308574449850 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×3085744498502 (a number of 24 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15382527 + ... + 15402573.
It is an arithmetic number, because the mean of its divisors is an integer number (8068467960).
Almost surely, 2308574449850 is an apocalyptic number.
308574449850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 308574449850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387286462080).
308574449850 is an abundant number, since it is smaller than the sum of its proper divisors (465998474310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
308574449850 is a wasteful number, since it uses less digits than its factorization.
308574449850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21304 (or 21299 counting only the distinct ones).
The product of its (nonzero) digits is 19353600, while the sum is 57.
The spelling of 308574449850 in words is "three hundred eight billion, five hundred seventy-four million, four hundred forty-nine thousand, eight hundred fifty".
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