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245415342142015 = 5318311631904951
BaseRepresentation
bin110111110011010000110110…
…010010100111001000111111
31012011221110220011012010120221
4313303100312102213020333
5224131341110042021030
62225542130213522211
7102456446650162513
oct6763206622471077
91164843804163527
10245415342142015
1171219075746691
1223637179643367
13a6c274b939576
144486247492143
151d58c39c70e7a
hexdf34364a723f

245415342142015 has 16 divisors (see below), whose sum is σ = 303998884632576. Its totient is φ = 189998646228000.

The previous prime is 245415342142007. The next prime is 245415342142037. The reversal of 245415342142015 is 510241243514542.

It is not a de Polignac number, because 245415342142015 - 23 = 245415342142007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127877790 + ... + 129782740.

It is an arithmetic number, because the mean of its divisors is an integer number (18999930289536).

Almost surely, 2245415342142015 is an apocalyptic number.

245415342142015 is a deficient number, since it is larger than the sum of its proper divisors (58583542490561).

245415342142015 is a wasteful number, since it uses less digits than its factorization.

245415342142015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736150.

The product of its (nonzero) digits is 768000, while the sum is 43.

Adding to 245415342142015 its reverse (510241243514542), we get a palindrome (755656585656557).

The spelling of 245415342142015 in words is "two hundred forty-five trillion, four hundred fifteen billion, three hundred forty-two million, one hundred forty-two thousand, fifteen".

Divisors: 1 5 31 155 831163 1904951 4155815 9524755 25766053 59053481 128830265 295267405 1583324788013 7916623940065 49083068428403 245415342142015