Base | Representation |
---|---|
bin | 100100101110011… |
… | …1001101010111100 |
3 | 10011212210222122222 |
4 | 1021130321222330 |
5 | 10010433004040 |
6 | 322140424512 |
7 | 42352326221 |
oct | 11134715274 |
9 | 3155728588 |
10 | 1232313020 |
11 | 582677014 |
12 | 2a4848138 |
13 | 1683c9203 |
14 | b9941948 |
15 | 732bebb5 |
hex | 49739abc |
1232313020 has 24 divisors (see below), whose sum is σ = 2724061200. Its totient is φ = 466981632.
The previous prime is 1232312989. The next prime is 1232313031. The reversal of 1232313020 is 203132321.
It is a self number, because there is not a number n which added to its sum of digits gives 1232313020.
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 7 ways as a sum of consecutive naturals, for example, 1621085 + ... + 1621844.
It is an arithmetic number, because the mean of its divisors is an integer number (113502550).
Almost surely, 21232313020 is an apocalyptic number.
1232313020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1232313020 is an abundant number, since it is smaller than the sum of its proper divisors (1491748180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1232313020 is a wasteful number, since it uses less digits than its factorization.
1232313020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3242957 (or 3242955 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 1232313020 is about 35104.3162588306. The cubic root of 1232313020 is about 1072.1124656919.
Adding to 1232313020 its reverse (203132321), we get a palindrome (1435445341).
The spelling of 1232313020 in words is "one billion, two hundred thirty-two million, three hundred thirteen thousand, twenty".
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