Base | Representation |
---|---|
bin | 100100000101110… |
… | …1000101011011000 |
3 | 10010101201200002001 |
4 | 1020023220223120 |
5 | 4440004303002 |
6 | 320100050344 |
7 | 42003261451 |
oct | 11013505330 |
9 | 3111650061 |
10 | 1211009752 |
11 | 571646607 |
12 | 2996939b4 |
13 | 163b7a824 |
14 | b6b98128 |
15 | 714b2a87 |
hex | 482e8ad8 |
1211009752 has 16 divisors (see below), whose sum is σ = 2271106440. Its totient is φ = 605381376.
The previous prime is 1211009717. The next prime is 1211009771. The reversal of 1211009752 is 2579001121.
It is a self number, because there is not a number n which added to its sum of digits gives 1211009752.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 36523 + ... + 61285.
Almost surely, 21211009752 is an apocalyptic number.
It is an amenable number.
1211009752 is a deficient number, since it is larger than the sum of its proper divisors (1060096688).
1211009752 is a wasteful number, since it uses less digits than its factorization.
1211009752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30882 (or 30878 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 28.
The square root of 1211009752 is about 34799.5653995851. The cubic root of 1211009752 is about 1065.8985714280.
The spelling of 1211009752 in words is "one billion, two hundred eleven million, nine thousand, seven hundred fifty-two".
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