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245343244353140 = 22531395714910247
BaseRepresentation
bin110111110010001101101100…
…111011010111111001110100
31012011200120210112110222101002
4313302031230323113321310
5224124200431023300030
62225445044104022432
7102451315211115353
oct6762155473277164
91164616715428332
10245343244353140
11711a05383967aa
12236251b8161a18
13a6b89cb9c962b
14448296800799a
151d56e1a3d3245
hexdf236ced7e74

245343244353140 has 24 divisors (see below), whose sum is σ = 531840839373312. Its totient is φ = 94971578459040.

The previous prime is 245343244353089. The next prime is 245343244353167. The reversal of 245343244353140 is 41353442343542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197857454504 + ... + 197857455743.

It is an arithmetic number, because the mean of its divisors is an integer number (22160034973888).

Almost surely, 2245343244353140 is an apocalyptic number.

245343244353140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245343244353140 is an abundant number, since it is smaller than the sum of its proper divisors (286497595020172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245343244353140 is a wasteful number, since it uses less digits than its factorization.

245343244353140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395714910287 (or 395714910285 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 47.

Adding to 245343244353140 its reverse (41353442343542), we get a palindrome (286696686696682).

The spelling of 245343244353140 in words is "two hundred forty-five trillion, three hundred forty-three billion, two hundred forty-four million, three hundred fifty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 395714910247 791429820494 1582859640988 1978574551235 3957149102470 7914298204940 12267162217657 24534324435314 49068648870628 61335811088285 122671622176570 245343244353140