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25000250000025 = 352333336666667
BaseRepresentation
bin1011010111100110100110…
…00001010100001010011001
310021112000000101222221122010
411223303103001110022121
511234101003000000100
6125100542321020133
75160131333526066
oct553632301241231
9107460011887563
1025000250000025
117a69601408293
122979271184649
1310c468a0ba6c1
14626038cbdc6d
152d54a94db750
hex16bcd3054299

25000250000025 has 12 divisors (see below), whose sum is σ = 41333746666832. Its totient is φ = 13333466666640.

The previous prime is 25000249999871. The next prime is 25000250000053. The reversal of 25000250000025 is 52000005200052.

It is not a de Polignac number, because 25000250000025 - 210 = 25000249999001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25000249999956 and 25000250000010.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166668333259 + ... + 166668333408.

Almost surely, 225000250000025 is an apocalyptic number.

25000250000025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25000250000025 is a deficient number, since it is larger than the sum of its proper divisors (16333496666807).

25000250000025 is a wasteful number, since it uses less digits than its factorization.

25000250000025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333336666680 (or 333336666675 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

Adding to 25000250000025 its reverse (52000005200052), we get a palindrome (77000255200077).

The spelling of 25000250000025 in words is "twenty-five trillion, two hundred fifty million, twenty-five", and thus it is an aban number.

Divisors: 1 3 5 15 25 75 333336666667 1000010000001 1666683333335 5000050000005 8333416666675 25000250000025