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21832379807 = 729107548669
BaseRepresentation
bin10100010101010011…
…111010110110011111
32002100112110210210112
4110111103322312133
5324203042123212
614010223400235
71402012111040
oct242523726637
962315423715
1021832379807
11929389a0a7
12429375307b
13209c1c3c44
1410b17ca8c7
1587ba6d422
hex5154fad9f

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".

Divisors: 1 7 29 203 107548669 752840683 3118911401 21832379807