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245022215303243 = 7181221173874373
BaseRepresentation
bin110111101101100010101110…
…000110101111000001001011
31012010112220011110200112022002
4313231202232012233001023
5224103420444104200433
62225041352441221215
7102416161624164440
oct6755425606570113
91163486143615262
10245022215303243
1171087379906024
1223592b4419180b
13a69465a254541
1444711d206d9c7
151d4d8cb9899e8
hexded8ae1af04b

245022215303243 has 16 divisors (see below), whose sum is σ = 281574085630656. Its totient is φ = 208857532302720.

The previous prime is 245022215303167. The next prime is 245022215303317. The reversal of 245022215303243 is 342303512220542.

It is a happy number.

It is not a de Polignac number, because 245022215303243 - 226 = 245022148194379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245022215303197 and 245022215303206.

It is not an unprimeable number, because it can be changed into a prime (245022215303143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279789005 + ... + 280663377.

It is an arithmetic number, because the mean of its divisors is an integer number (17598380351916).

Almost surely, 2245022215303243 is an apocalyptic number.

245022215303243 is a deficient number, since it is larger than the sum of its proper divisors (36551870327413).

245022215303243 is a wasteful number, since it uses less digits than its factorization.

245022215303243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095734.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 245022215303243 its reverse (342303512220542), we get a palindrome (587325727523785).

The spelling of 245022215303243 in words is "two hundred forty-five trillion, twenty-two billion, two hundred fifteen million, three hundred three thousand, two hundred forty-three".

Divisors: 1 7 181 1267 221173 874373 1548211 6120611 40032313 158261513 280226191 1107830591 193387699529 1353713896703 35003173614749 245022215303243