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28341660164 = 2241172815001
BaseRepresentation
bin11010011001010010…
…110110101000000100
32201011011211111210012
4122121102312220010
5431020431111124
621004152045352
72022222064556
oct323122665004
981134744705
1028341660164
1111024145844
1255ab693858
132898943c1c
14152c0c94d6
15b0d253e0e
hex6994b6a04

28341660164 has 12 divisors (see below), whose sum is σ = 50807610588. Its totient is φ = 13825200000.

The previous prime is 28341660157. The next prime is 28341660167. The reversal of 28341660164 is 46106614382.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9217536064 + 19124124100 = 96008^2 + 138290^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (28341660167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86407337 + ... + 86407664.

It is an arithmetic number, because the mean of its divisors is an integer number (4233967549).

Almost surely, 228341660164 is an apocalyptic number.

It is an amenable number.

28341660164 is a deficient number, since it is larger than the sum of its proper divisors (22465950424).

28341660164 is a wasteful number, since it uses less digits than its factorization.

28341660164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172815046 (or 172815044 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 28341660164 in words is "twenty-eight billion, three hundred forty-one million, six hundred sixty thousand, one hundred sixty-four".

Divisors: 1 2 4 41 82 164 172815001 345630002 691260004 7085415041 14170830082 28341660164