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245341245510221 = 7304999911491397
BaseRepresentation
bin110111110010001011110101…
…110010011001001001001101
31012011200101122020022020100212
4313302023311302121021031
5224124132332322311341
62225444113501532205
7102451214530203110
oct6762136562311115
91164611566266325
10245341245510221
117119a70206a503
122362493a874065
13a6b8770868b43
144482818770577
151d56d4eb9d5eb
hexdf22f5c9924d

245341245510221 has 8 divisors (see below), whose sum is σ = 280390111200000. Its totient is φ = 210292408903248.

The previous prime is 245341245510187. The next prime is 245341245510269. The reversal of 245341245510221 is 122015542143542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245341245510221 - 234 = 245324065641037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245341245510121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15604295 + ... + 27095691.

It is an arithmetic number, because the mean of its divisors is an integer number (35048763900000).

Almost surely, 2245341245510221 is an apocalyptic number.

It is an amenable number.

245341245510221 is a deficient number, since it is larger than the sum of its proper divisors (35048865689779).

245341245510221 is a wasteful number, since it uses less digits than its factorization.

245341245510221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14541403.

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 245341245510221 its reverse (122015542143542), we get a palindrome (367356787653763).

The spelling of 245341245510221 in words is "two hundred forty-five trillion, three hundred forty-one billion, two hundred forty-five million, five hundred ten thousand, two hundred twenty-one".

Divisors: 1 7 3049999 11491397 21349993 80439779 35048749358603 245341245510221