Base | Representation |
---|---|
bin | 100111000000100… |
… | …1010111111101110 |
3 | 10101012222112110000 |
4 | 1032001022333232 |
5 | 10140041230110 |
6 | 333514525130 |
7 | 44302502352 |
oct | 11601127756 |
9 | 3335875400 |
10 | 1308930030 |
11 | 611947561 |
12 | 3064367a6 |
13 | 17b243815 |
14 | c5ba7462 |
15 | 79da61c0 |
hex | 4e04afee |
1308930030 has 40 divisors (see below), whose sum is σ = 3519569592. Its totient is φ = 349047792.
The previous prime is 1308930017. The next prime is 1308930071. The reversal of 1308930030 is 300398031.
It is a super-3 number, since 3×13089300303 (a number of 28 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1308929976 and 1308930003.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 807172 + ... + 808791.
Almost surely, 21308930030 is an apocalyptic number.
1308930030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1308930030 is an abundant number, since it is smaller than the sum of its proper divisors (2210639562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1308930030 is a wasteful number, since it uses less digits than its factorization.
1308930030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1615982 (or 1615973 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 27.
The square root of 1308930030 is about 36179.1380494340. The cubic root of 1308930030 is about 1093.8862009217.
The spelling of 1308930030 in words is "one billion, three hundred eight million, nine hundred thirty thousand, thirty".
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