Base | Representation |
---|---|
bin | 1000111111010101011… |
… | …10100101111000000000 |
3 | 1002112021102122101200000 |
4 | 10133222232211320000 |
5 | 20030041433312240 |
6 | 353521534400000 |
7 | 31213232100006 |
oct | 4375256457000 |
9 | 1075242571600 |
10 | 308880760320 |
11 | 109aa5155a40 |
12 | 4ba43660000 |
13 | 23186990082 |
14 | 10d42798a76 |
15 | 807c185430 |
hex | 47eaba5e00 |
308880760320 has 480 divisors, whose sum is σ = 1210238789760. Its totient is φ = 74878525440.
The previous prime is 308880760289. The next prime is 308880760327. The reversal of 308880760320 is 23067088803.
308880760320 is a `hidden beast` number, since 30 + 8 + 8 + 8 + 0 + 7 + 603 + 2 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (480).
It is a super-2 number, since 2×3088807603202 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (308880760327) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6820311 + ... + 6865449.
It is an arithmetic number, because the mean of its divisors is an integer number (2521330812).
Almost surely, 2308880760320 is an apocalyptic number.
308880760320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 308880760320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605119394880).
308880760320 is an abundant number, since it is smaller than the sum of its proper divisors (901358029440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
308880760320 is an equidigital number, since it uses as much as digits as its factorization.
308880760320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45188 (or 45160 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 45.
The spelling of 308880760320 in words is "three hundred eight billion, eight hundred eighty million, seven hundred sixty thousand, three hundred twenty".
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