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18428300648051 = 76173426472441
BaseRepresentation
bin1000011000010101011000…
…10100000101111001110011
32102020201122221211220102112
410030022230110011321303
54403412124431214201
6103105502222235535
73611254316660540
oct414125424057163
972221587756375
1018428300648051
115965442322388
122097640725bab
13a38a206724b8
14479d12421bc7
1521e5681040bb
hex10c2ac505e73

18428300648051 has 8 divisors (see below), whose sum is σ = 21064326855264. Its totient is φ = 15793127398080.

The previous prime is 18428300648041. The next prime is 18428300648081. The reversal of 18428300648051 is 15084600382481.

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 18428300648051 - 26 = 18428300647987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18428300648041) 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, 213193010 + ... + 213279431.

It is an arithmetic number, because the mean of its divisors is an integer number (2633040856908).

Almost surely, 218428300648051 is an apocalyptic number.

18428300648051 is a deficient number, since it is larger than the sum of its proper divisors (2636026207213).

18428300648051 is an equidigital number, since it uses as much as digits as its factorization.

18428300648051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426478621.

The product of its (nonzero) digits is 1474560, while the sum is 50.

The spelling of 18428300648051 in words is "eighteen trillion, four hundred twenty-eight billion, three hundred million, six hundred forty-eight thousand, fifty-one".

Divisors: 1 7 6173 43211 426472441 2985307087 2632614378293 18428300648051