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128107381284173 = 376075704055447
BaseRepresentation
bin11101001000001101010010…
…111101000101110101001101
3121210120221112122222212101202
4131020031102331011311031
5113242402404102043143
61132243415110315245
735661311222103014
oct3510152275056515
9553527478885352
10128107381284173
1137901042a895a5
121245009a958b25
135663621b24025
14238c604bbba7b
15ec2578837ab8
hex748352f45d4d

128107381284173 has 8 divisors (see below), whose sum is σ = 131786497070592. Its totient is φ = 124439673609936.

The previous prime is 128107381284163. The next prime is 128107381284209. The reversal of 128107381284173 is 371482183701821.

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 128107381284173 - 210 = 128107381283149 is a prime.

It is a super-2 number, since 2×1281073812841732 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128107381284163) 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, 2852005265 + ... + 2852050182.

It is an arithmetic number, because the mean of its divisors is an integer number (16473312133824).

Almost surely, 2128107381284173 is an apocalyptic number.

It is an amenable number.

128107381284173 is a deficient number, since it is larger than the sum of its proper divisors (3679115786419).

128107381284173 is an equidigital number, since it uses as much as digits as its factorization.

128107381284173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5704056091.

The product of its (nonzero) digits is 3612672, while the sum is 56.

The spelling of 128107381284173 in words is "one hundred twenty-eight trillion, one hundred seven billion, three hundred eighty-one million, two hundred eighty-four thousand, one hundred seventy-three".

Divisors: 1 37 607 22459 5704055447 211050051539 3462361656329 128107381284173