Base | Representation |
---|---|
bin | 10100000101101011001… |
… | …00110110101100100000 |
3 | 2102222122002102011001020 |
4 | 22002311210312230200 |
5 | 42302103210322142 |
6 | 1245031542205440 |
7 | 100603550404440 |
oct | 12026544665440 |
9 | 2388562364036 |
10 | 690241104672 |
11 | 246803122149 |
12 | b1934423880 |
13 | 501216c9372 |
14 | 2559d1c4120 |
15 | 12e4c472cec |
hex | a0b5936b20 |
690241104672 has 48 divisors (see below), whose sum is σ = 2070723316032. Its totient is φ = 197211744000.
The previous prime is 690241104647. The next prime is 690241104689. The reversal of 690241104672 is 276401142096.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (42).
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, 513571579 + ... + 513572922.
It is an arithmetic number, because the mean of its divisors is an integer number (43140069084).
Almost surely, 2690241104672 is an apocalyptic number.
It is an amenable number.
690241104672 is an abundant number, since it is smaller than the sum of its proper divisors (1380482211360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
690241104672 is a wasteful number, since it uses less digits than its factorization.
690241104672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1027144521 (or 1027144513 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 42.
The spelling of 690241104672 in words is "six hundred ninety billion, two hundred forty-one million, one hundred four thousand, six hundred seventy-two".
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