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127389056725 = 5271742819851
BaseRepresentation
bin111011010100011111…
…0101011111011010101
3110011210221222120210001
41312220332223323111
54041343044303400
6134304405331301
712126551054560
oct1665076537325
9404727876701
10127389056725
114a03088a877
1220832406b31
13c021c9c898
1462468194d7
1534a8a20a6a
hex1da8fabed5

127389056725 has 24 divisors (see below), whose sum is σ = 191147819328. Its totient is φ = 82214112000.

The previous prime is 127389056713. The next prime is 127389056737. The reversal of 127389056725 is 527650983721.

It is an interprime number because it is at equal distance from previous prime (127389056713) and next prime (127389056737).

It is not a de Polignac number, because 127389056725 - 219 = 127388532437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21406951 + ... + 21412900.

It is an arithmetic number, because the mean of its divisors is an integer number (7964492472).

Almost surely, 2127389056725 is an apocalyptic number.

It is an amenable number.

127389056725 is a deficient number, since it is larger than the sum of its proper divisors (63758762603).

127389056725 is a wasteful number, since it uses less digits than its factorization.

127389056725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42819885 (or 42819880 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 127389056725 in words is "one hundred twenty-seven billion, three hundred eighty-nine million, fifty-six thousand, seven hundred twenty-five".

Divisors: 1 5 7 17 25 35 85 119 175 425 595 2975 42819851 214099255 299738957 727937467 1070496275 1498694785 3639687335 5095562269 7493473925 18198436675 25477811345 127389056725