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25034500145425 = 521181847908557
BaseRepresentation
bin1011011000100110011000…
…11111010000000100010001
310021122021102100200121102211
411230103030133100010101
511240131124014123200
6125124405100312121
75162453152130311
oct554231437200421
9107567370617384
1025034500145425
117a82087758481
122983a2b542641
1310c7987b67b24
14627967995441
152d63112ecaba
hex16c4cc7d0111

25034500145425 has 12 divisors (see below), whose sum is σ = 31069065382236. Its totient is φ = 20010641921600.

The previous prime is 25034500145419. The next prime is 25034500145509. The reversal of 25034500145425 is 52454100543052.

It can be written as a sum of positive squares in 6 ways, for example, as 1723979504016 + 23310520641409 = 1313004^2 + 4828097^2 .

It is not a de Polignac number, because 25034500145425 - 27 = 25034500145297 is a prime.

It is a super-2 number, since 2×250345001454252 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 423924754 + ... + 423983803.

It is an arithmetic number, because the mean of its divisors is an integer number (2589088781853).

Almost surely, 225034500145425 is an apocalyptic number.

25034500145425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25034500145425 is a deficient number, since it is larger than the sum of its proper divisors (6034565236811).

25034500145425 is a wasteful number, since it uses less digits than its factorization.

25034500145425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847909748 (or 847909743 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 25034500145425 its reverse (52454100543052), we get a palindrome (77488600688477).

The spelling of 25034500145425 in words is "twenty-five trillion, thirty-four billion, five hundred million, one hundred forty-five thousand, four hundred twenty-five".

Divisors: 1 5 25 1181 5905 29525 847908557 4239542785 21197713925 1001380005817 5006900029085 25034500145425