Base | Representation |
---|---|
bin | 1000111101110110111… |
… | …00000101101000100000 |
3 | 1002110020010202112011200 |
4 | 10132323130011220200 |
5 | 20021430332134022 |
6 | 353311113441200 |
7 | 31154456345232 |
oct | 4367334055040 |
9 | 1073203675150 |
10 | 308087380512 |
11 | 109728326a4a |
12 | 4b861a10200 |
13 | 2308b4b7572 |
14 | 10ca9274252 |
15 | 80326b9bac |
hex | 47bb705a20 |
308087380512 has 54 divisors (see below), whose sum is σ = 876150276183. Its totient is φ = 102692653632.
The previous prime is 308087380501. The next prime is 308087380537. The reversal of 308087380512 is 215083780803.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 154043690256 + 154043690256 = 392484^2 + 392484^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=392484.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9403263 + ... + 9435969.
Almost surely, 2308087380512 is an apocalyptic number.
308087380512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
308087380512 is an abundant number, since it is smaller than the sum of its proper divisors (568062895671).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
308087380512 is an frugal number, since it uses more digits than its factorization.
308087380512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65430 (or 32712 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 45.
The spelling of 308087380512 in words is "three hundred eight billion, eighty-seven million, three hundred eighty thousand, five hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •