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252310215413 = 4123326411621
BaseRepresentation
bin1110101011111011011…
…1000101101011110101
3220010020221011221220002
43222332313011223311
513113212403343123
6311524255321045
724141324305444
oct3527667055365
9803227157802
10252310215413
11980055a2293
1240a96220185
131aa3c89c969
14c2d757cd5b
15686aa57528
hex3abedc5af5

252310215413 has 8 divisors (see below), whose sum is σ = 259573421016. Its totient is φ = 245099833600.

The previous prime is 252310215403. The next prime is 252310215419. The reversal of 252310215413 is 314512013252.

It can be written as a sum of positive squares in 4 ways, for example, as 5382716689 + 246927498724 = 73367^2 + 496918^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252310215413 - 212 = 252310211317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252310215419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13196258 + ... + 13215363.

It is an arithmetic number, because the mean of its divisors is an integer number (32446677627).

Almost surely, 2252310215413 is an apocalyptic number.

It is an amenable number.

252310215413 is a deficient number, since it is larger than the sum of its proper divisors (7263205603).

252310215413 is a wasteful number, since it uses less digits than its factorization.

252310215413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26411895.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 252310215413 its reverse (314512013252), we get a palindrome (566822228665).

The spelling of 252310215413 in words is "two hundred fifty-two billion, three hundred ten million, two hundred fifteen thousand, four hundred thirteen".

Divisors: 1 41 233 9553 26411621 1082876461 6153907693 252310215413