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28825457837 = 1119713302011
BaseRepresentation
bin11010110110001000…
…011001010010101101
32202101220011222102112
4122312020121102231
5433013304122322
621124153333405
72040215230451
oct326610312255
982356158375
1028825457837
1111252246130
125705707265
132944c45337
141576464661
15b3a96b5e2
hex6b62194ad

28825457837 has 8 divisors (see below), whose sum is σ = 31605580512. Its totient is φ = 26071939600.

The previous prime is 28825457831. The next prime is 28825457851. The reversal of 28825457837 is 73875452882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28825457837 - 216 = 28825392301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28825457831) by changing a digit.

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, 6648839 + ... + 6653172.

It is an arithmetic number, because the mean of its divisors is an integer number (3950697564).

Almost surely, 228825457837 is an apocalyptic number.

It is an amenable number.

28825457837 is a deficient number, since it is larger than the sum of its proper divisors (2780122675).

28825457837 is a wasteful number, since it uses less digits than its factorization.

28825457837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13302219.

The product of its digits is 30105600, while the sum is 59.

The spelling of 28825457837 in words is "twenty-eight billion, eight hundred twenty-five million, four hundred fifty-seven thousand, eight hundred thirty-seven".

Divisors: 1 11 197 2167 13302011 146322121 2620496167 28825457837