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127538281728001 = 17191912067305557
BaseRepresentation
bin11100111111111011010001…
…111110100100100000000001
3121201120112121010210000000001
4130333323101332210200001
5113204041400110244001
61131130140000000001
735602223341511344
oct3477732176444001
9551515533700001
10127538281728001
1137701755134891
1212379934600001
135621a67c7c311
14236cc587b645b
15eb286b6ac001
hex73fed1fa4801

127538281728001 has 16 divisors (see below), whose sum is σ = 142892160168960. Its totient is φ = 113122960024320.

The previous prime is 127538281727953. The next prime is 127538281728007. The reversal of 127538281728001 is 100827182835721.

It is not a de Polignac number, because 127538281728001 - 215 = 127538281695233 is a prime.

It is a super-2 number, since 2×1275382817280012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127538281728007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1033591086 + ... + 1033714471.

It is an arithmetic number, because the mean of its divisors is an integer number (8930760010560).

Almost surely, 2127538281728001 is an apocalyptic number.

It is an amenable number.

127538281728001 is a deficient number, since it is larger than the sum of its proper divisors (15353878440959).

127538281728001 is a wasteful number, since it uses less digits than its factorization.

127538281728001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067305784.

The product of its (nonzero) digits is 3010560, while the sum is 55.

The spelling of 127538281728001 in words is "one hundred twenty-seven trillion, five hundred thirty-eight billion, two hundred eighty-one million, seven hundred twenty-eight thousand, one".

Divisors: 1 17 19 191 323 3247 3629 61693 2067305557 35144194469 39278805583 394855361387 667739694911 6712541143579 7502251866353 127538281728001