Base | Representation |
---|---|
bin | 100011111001111… |
… | …1001011101101100 |
3 | 10002222000112010200 |
4 | 1013303321131230 |
5 | 4431411141202 |
6 | 315314433500 |
7 | 41566343460 |
oct | 10763713554 |
9 | 3088015120 |
10 | 1204787052 |
11 | 569086387 |
12 | 297592890 |
13 | 1627ac361 |
14 | b60184a0 |
15 | 70b83e1c |
hex | 47cf976c |
1204787052 has 72 divisors (see below), whose sum is σ = 3484135200. Its totient is φ = 343865088.
The previous prime is 1204787047. The next prime is 1204787053. The reversal of 1204787052 is 2507874021.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 1204786998 and 1204787016.
It is not an unprimeable number, because it can be changed into a prime (1204787053) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322974 + ... + 326682.
Almost surely, 21204787052 is an apocalyptic number.
1204787052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1204787052 is an abundant number, since it is smaller than the sum of its proper divisors (2279348148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1204787052 is a wasteful number, since it uses less digits than its factorization.
1204787052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5015 (or 5010 counting only the distinct ones).
The product of its (nonzero) digits is 31360, while the sum is 36.
The square root of 1204787052 is about 34710.0425237423. The cubic root of 1204787052 is about 1064.0697504070.
It can be divided in two parts, 12047 and 87052, that added together give a palindrome (99099).
The spelling of 1204787052 in words is "one billion, two hundred four million, seven hundred eighty-seven thousand, fifty-two".
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