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25255000505057 = 315031619637049
BaseRepresentation
bin1011011111000001000110…
…10101010111101011100001
310022102100120102000110120012
411233200203111113223201
511302234220112130212
6125413553112254305
75214420312223541
oct557404325275341
9108370512013505
1025255000505057
118057649430254
1229ba7086a1395
1311126c84115cb
146344c45a9321
152dbe193c7922
hex16f823557ae1

25255000505057 has 8 divisors (see below), whose sum is σ = 26121506342400. Its totient is φ = 24391733942880.

The previous prime is 25255000505041. The next prime is 25255000505087. The reversal of 25255000505057 is 75050500055252.

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 25255000505057 - 24 = 25255000505041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25255000505027) 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, 809802932 + ... + 809834117.

It is an arithmetic number, because the mean of its divisors is an integer number (3265188292800).

Almost surely, 225255000505057 is an apocalyptic number.

It is an amenable number.

25255000505057 is a deficient number, since it is larger than the sum of its proper divisors (866505837343).

25255000505057 is a wasteful number, since it uses less digits than its factorization.

25255000505057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619637583.

The product of its (nonzero) digits is 437500, while the sum is 41.

The spelling of 25255000505057 in words is "twenty-five trillion, two hundred fifty-five billion, five hundred five thousand, fifty-seven".

Divisors: 1 31 503 15593 1619637049 50208748519 814677435647 25255000505057