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245344431432154 = 217211148922967839
BaseRepresentation
bin110111110010001110110011…
…101011101110000111011010
31012011200200212021011211122111
4313302032303223232013122
5224124210343421312104
62225445401551142534
7102451356504120205
oct6762166353560732
91164620767154574
10245344431432154
11711a0a9747783a
1223625489814a4a
13a6b8b5a918852
144482a3b93293c
151d56e8971a404
hexdf23b3aee1da

245344431432154 has 32 divisors (see below), whose sum is σ = 391774390156800. Its totient is φ = 114831840291840.

The previous prime is 245344431432127. The next prime is 245344431432211. The reversal of 245344431432154 is 451234134443542.

It is a junction number, because it is equal to n+sod(n) for n = 245344431432098 and 245344431432107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801834 + ... + 22166005.

It is an arithmetic number, because the mean of its divisors is an integer number (12242949692400).

Almost surely, 2245344431432154 is an apocalyptic number.

245344431432154 is a deficient number, since it is larger than the sum of its proper divisors (146429958724646).

245344431432154 is a wasteful number, since it uses less digits than its factorization.

245344431432154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22969558.

The product of its digits is 11059200, while the sum is 49.

Adding to 245344431432154 its reverse (451234134443542), we get a palindrome (696578565875696).

The spelling of 245344431432154 in words is "two hundred forty-five trillion, three hundred forty-four billion, four hundred thirty-one million, four hundred thirty-two thousand, one hundred fifty-four".

Divisors: 1 2 17 34 211 422 1489 2978 3587 7174 25313 50626 314179 628358 5341043 10682086 22967839 45935678 390453263 780906526 4846214029 9692428058 34199112271 68398224542 82385638493 164771276986 581384908607 1162769817214 7216012689181 14432025378362 122672215716077 245344431432154