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245311451045225 = 5239799667247991
BaseRepresentation
bin110111110001110000000101…
…111001100001110101101001
31012011120112201210202121000022
4313301300011321201311221
5224123140322431421400
62225422305211050225
7102446111304343505
oct6761600571416551
91164515653677008
10245311451045225
1171189002949a14
122361b004740975
13a6b5a02c484b6
1444811cd749305
151d561a9123b85
hexdf1c05e61d69

245311451045225 has 24 divisors (see below), whose sum is σ = 304956700801728. Its totient is φ = 195752077012800.

The previous prime is 245311451045153. The next prime is 245311451045231. The reversal of 245311451045225 is 522540154113542.

It is not a de Polignac number, because 245311451045225 - 218 = 245311450783081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 989070980 + ... + 989318970.

It is an arithmetic number, because the mean of its divisors is an integer number (12706529200072).

Almost surely, 2245311451045225 is an apocalyptic number.

245311451045225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245311451045225 is a deficient number, since it is larger than the sum of its proper divisors (59645249756503).

245311451045225 is a wasteful number, since it uses less digits than its factorization.

245311451045225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348065 (or 348060 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 44.

The spelling of 245311451045225 in words is "two hundred forty-five trillion, three hundred eleven billion, four hundred fifty-one million, forty-five thousand, two hundred twenty-five".

Divisors: 1 5 25 397 1985 9925 99667 247991 498335 1239955 2491675 6199775 39567799 98452427 197838995 492262135 989194975 2461310675 24716518997 123582594985 617912974925 9812458041809 49062290209045 245311451045225