Base | Representation |
---|---|
bin | 100100101100111… |
… | …0000011010100100 |
3 | 10011211021002212201 |
4 | 1021121300122210 |
5 | 10010230114201 |
6 | 322111024244 |
7 | 42342323665 |
oct | 11131603244 |
9 | 3154232781 |
10 | 1231488676 |
11 | 582163740 |
12 | 2a450b084 |
13 | 16819ac32 |
14 | b97a936c |
15 | 731aa801 |
hex | 496706a4 |
1231488676 has 24 divisors (see below), whose sum is σ = 2386119456. Its totient is φ = 551411520.
The previous prime is 1231488673. The next prime is 1231488737. The reversal of 1231488676 is 6768841321.
It is a happy number.
It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (1231488673) 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 7 ways as a sum of consecutive naturals, for example, 205921 + ... + 211816.
It is an arithmetic number, because the mean of its divisors is an integer number (99421644).
Almost surely, 21231488676 is an apocalyptic number.
It is an amenable number.
1231488676 is a deficient number, since it is larger than the sum of its proper divisors (1154630780).
1231488676 is a wasteful number, since it uses less digits than its factorization.
1231488676 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 417819 (or 417817 counting only the distinct ones).
The product of its digits is 387072, while the sum is 46.
The square root of 1231488676 is about 35092.5729464227. The cubic root of 1231488676 is about 1071.8733525756.
The spelling of 1231488676 in words is "one billion, two hundred thirty-one million, four hundred eighty-eight thousand, six hundred seventy-six".
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