Base | Representation |
---|---|
bin | 10100010101010011… |
… | …111010110110011111 |
3 | 2002100112110210210112 |
4 | 110111103322312133 |
5 | 324203042123212 |
6 | 14010223400235 |
7 | 1402012111040 |
oct | 242523726637 |
9 | 62315423715 |
10 | 21832379807 |
11 | 929389a0a7 |
12 | 429375307b |
13 | 209c1c3c44 |
14 | 10b17ca8c7 |
15 | 87ba6d422 |
hex | 5154fad9f |
21832379807 has 8 divisors (see below), whose sum is σ = 25811680800. Its totient is φ = 18068176224.
The previous prime is 21832379801. The next prime is 21832379819. The reversal of 21832379807 is 70897323812.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 21832379807 - 26 = 21832379743 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21832379801) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53774132 + ... + 53774537.
It is an arithmetic number, because the mean of its divisors is an integer number (3226460100).
Almost surely, 221832379807 is an apocalyptic number.
21832379807 is a deficient number, since it is larger than the sum of its proper divisors (3979300993).
21832379807 is a wasteful number, since it uses less digits than its factorization.
21832379807 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107548705.
The product of its (nonzero) digits is 1016064, while the sum is 50.
The spelling of 21832379807 in words is "twenty-one billion, eight hundred thirty-two million, three hundred seventy-nine thousand, eight hundred seven".
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