Base | Representation |
---|---|
bin | 100000001111000… |
… | …1111011110000000 |
3 | 2210101100111121111 |
4 | 1000132033132000 |
5 | 4203401411004 |
6 | 255155533104 |
7 | 35543016256 |
oct | 10036173600 |
9 | 2711314544 |
10 | 1081669504 |
11 | 505635343 |
12 | 2622ba194 |
13 | 143133436 |
14 | a392a5d6 |
15 | 64e64a04 |
hex | 4078f780 |
1081669504 has 32 divisors (see below), whose sum is σ = 2177128800. Its totient is φ = 535252992.
The previous prime is 1081669493. The next prime is 1081669517. The reversal of 1081669504 is 4059661801.
It is a tau number, because it is divible by the number of its divisors (32).
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, 31144 + ... + 55975.
It is an arithmetic number, because the mean of its divisors is an integer number (68035275).
Almost surely, 21081669504 is an apocalyptic number.
It is an amenable number.
1081669504 is an abundant number, since it is smaller than the sum of its proper divisors (1095459296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1081669504 is an frugal number, since it uses more digits than its factorization.
1081669504 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87230 (or 87218 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 40.
The square root of 1081669504 is about 32888.7443360187. The cubic root of 1081669504 is about 1026.5139646579.
The spelling of 1081669504 in words is "one billion, eighty-one million, six hundred sixty-nine thousand, five hundred four".
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