Base | Representation |
---|---|
bin | 110111110011010000110110… |
… | …010010100111001000111111 |
3 | 1012011221110220011012010120221 |
4 | 313303100312102213020333 |
5 | 224131341110042021030 |
6 | 2225542130213522211 |
7 | 102456446650162513 |
oct | 6763206622471077 |
9 | 1164843804163527 |
10 | 245415342142015 |
11 | 71219075746691 |
12 | 23637179643367 |
13 | a6c274b939576 |
14 | 4486247492143 |
15 | 1d58c39c70e7a |
hex | df34364a723f |
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".
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