Base | Representation |
---|---|
bin | 100100101110000… |
… | …0101111010001000 |
3 | 10011212102012211101 |
4 | 1021130011322020 |
5 | 10010404213000 |
6 | 322132111144 |
7 | 42350454124 |
oct | 11134057210 |
9 | 3155365741 |
10 | 1232101000 |
11 | 582541799 |
12 | 2a47654b4 |
13 | 168353860 |
14 | b98c8584 |
15 | 7327be6a |
hex | 49705e88 |
1232101000 has 64 divisors (see below), whose sum is σ = 3104927280. Its totient is φ = 454924800.
The previous prime is 1232100967. The next prime is 1232101001. The reversal of 1232101000 is 1012321.
It can be written as a sum of positive squares in 8 ways, for example, as 54375876 + 1177725124 = 7374^2 + 34318^2 .
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (1232101001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34389 + ... + 60388.
Almost surely, 21232101000 is an apocalyptic number.
1232101000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1232101000 is an abundant number, since it is smaller than the sum of its proper divisors (1872826280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1232101000 is a wasteful number, since it uses less digits than its factorization.
1232101000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94811 (or 94797 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 1232101000 is about 35101.2962723601. The cubic root of 1232101000 is about 1072.0509763574.
Adding to 1232101000 its reverse (1012321), we get a palindrome (1233113321).
The spelling of 1232101000 in words is "one billion, two hundred thirty-two million, one hundred one thousand".
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