Base | Representation |
---|---|
bin | 110110100100101… |
… | …1101110110001100 |
3 | 11201121201111112120 |
4 | 1231021131312030 |
5 | 12222241314332 |
6 | 501412532540 |
7 | 63243632643 |
oct | 15511356614 |
9 | 4647644476 |
10 | 1831198092 |
11 | 85a733259 |
12 | 431321150 |
13 | 2324c4489 |
14 | 1352b835a |
15 | aab6c32c |
hex | 6d25dd8c |
1831198092 has 24 divisors (see below), whose sum is σ = 4278758400. Its totient is φ = 609547536.
The previous prime is 1831198081. The next prime is 1831198099. The reversal of 1831198092 is 2908911381.
It is not an unprimeable number, because it can be changed into a prime (1831198099) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 97492 + ... + 114747.
It is an arithmetic number, because the mean of its divisors is an integer number (178281600).
Almost surely, 21831198092 is an apocalyptic number.
1831198092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1831198092 is an abundant number, since it is smaller than the sum of its proper divisors (2447560308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1831198092 is a wasteful number, since it uses less digits than its factorization.
1831198092 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 212965 (or 212963 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 42.
The square root of 1831198092 is about 42792.5004177134. The cubic root of 1831198092 is about 1223.4280750020.
It can be divided in two parts, 18311 and 98092, that added together give a triangular number (116403 = T482).
The spelling of 1831198092 in words is "one billion, eight hundred thirty-one million, one hundred ninety-eight thousand, ninety-two".
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