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25002500025025 = 528271209310763
BaseRepresentation
bin1011010111101010110010…
…01000011110101011000001
310021112012211012211001200101
411223311121020132223001
511234120110001300100
6125101553454522401
75160241154445535
oct553653110365301
9107465735731611
1025002500025025
117a6a5564a5386
12297979a806401
1310c49582b5943
146261ada5dbc5
152d558bcda86a
hex16bd5921eac1

25002500025025 has 12 divisors (see below), whose sum is σ = 31040588690352. Its totient is φ = 19977813788240.

The previous prime is 25002500025007. The next prime is 25002500025073. The reversal of 25002500025025 is 52052000520052.

It is not a de Polignac number, because 25002500025025 - 213 = 25002500016833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25002500024984 and 25002500025002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 604634707 + ... + 604676056.

It is an arithmetic number, because the mean of its divisors is an integer number (2586715724196).

Almost surely, 225002500025025 is an apocalyptic number.

25002500025025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25002500025025 is a deficient number, since it is larger than the sum of its proper divisors (6038088665327).

25002500025025 is a wasteful number, since it uses less digits than its factorization.

25002500025025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209311600 (or 1209311595 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

Adding to 25002500025025 its reverse (52052000520052), we get a palindrome (77054500545077).

The spelling of 25002500025025 in words is "twenty-five trillion, two billion, five hundred million, twenty-five thousand, twenty-five".

Divisors: 1 5 25 827 4135 20675 1209310763 6046553815 30232769075 1000100001001 5000500005005 25002500025025