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2555420425 = 52205349789
BaseRepresentation
bin1001100001010000…
…1001111100001001
320121002110210210221
42120110021330021
520213141423200
61101323310041
7120216500215
oct23024117411
96532423727
102555420425
1110a1517208
125b397b321
13319564abc
141a3559945
15ee52691a
hex98509f09

2555420425 has 12 divisors (see below), whose sum is σ = 3170328460. Its totient is φ = 2043299520.

The previous prime is 2555420411. The next prime is 2555420431. The reversal of 2555420425 is 5240245552.

It can be written as a sum of positive squares in 6 ways, for example, as 213247609 + 2342172816 = 14603^2 + 48396^2 .

It is not a de Polignac number, because 2555420425 - 211 = 2555418377 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26431 + ... + 76219.

Almost surely, 22555420425 is an apocalyptic number.

2555420425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2555420425 is a deficient number, since it is larger than the sum of its proper divisors (614908035).

2555420425 is a wasteful number, since it uses less digits than its factorization.

2555420425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51852 (or 51847 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 34.

The square root of 2555420425 is about 50551.1664059297. The cubic root of 2555420425 is about 1367.1645451188.

Adding to 2555420425 its reverse (5240245552), we get a palindrome (7795665977).

The spelling of 2555420425 in words is "two billion, five hundred fifty-five million, four hundred twenty thousand, four hundred twenty-five".

Divisors: 1 5 25 2053 10265 49789 51325 248945 1244725 102216817 511084085 2555420425