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253551012625 = 5311783172147
BaseRepresentation
bin1110110000100011010…
…0010110101100010001
3220020110101221222200101
43230020310112230101
513123233024401000
6312251342052401
724214142022151
oct3541064265421
9806411858611
10253551012625
1198591a33629
124118187a101
131aba99797b1
14c3b428c761
1568de950e6a
hex3b08d16b11

253551012625 has 16 divisors (see below), whose sum is σ = 316460356992. Its totient is φ = 202822417200.

The previous prime is 253551012619. The next prime is 253551012721. The reversal of 253551012625 is 526210155352.

It is not a de Polignac number, because 253551012625 - 25 = 253551012593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1386802 + ... + 1558948.

It is an arithmetic number, because the mean of its divisors is an integer number (19778772312).

Almost surely, 2253551012625 is an apocalyptic number.

253551012625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253551012625 is a deficient number, since it is larger than the sum of its proper divisors (62909344367).

253551012625 is a wasteful number, since it uses less digits than its factorization.

253551012625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183945 (or 183935 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

Adding to 253551012625 its reverse (526210155352), we get a palindrome (779761167977).

The spelling of 253551012625 in words is "two hundred fifty-three billion, five hundred fifty-one million, twelve thousand, six hundred twenty-five".

Divisors: 1 5 25 125 11783 58915 172147 294575 860735 1472875 4303675 21518375 2028408101 10142040505 50710202525 253551012625