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252320315145 = 35127304943441
BaseRepresentation
bin1110101011111101110…
…1100111011100001001
3220010021122012002010020
43222333131213130021
513113223000041040
6311525300011053
724141506201643
oct3527735473411
9803248162106
10252320315145
1198010270378
1240a99690a89
131aa419c7a32
14c2d8a4b893
15686b89ecd0
hex3abf767709

252320315145 has 32 divisors (see below), whose sum is σ = 407034163200. Its totient is φ = 133464360960.

The previous prime is 252320315119. The next prime is 252320315147. The reversal of 252320315145 is 541513023252.

It is not a de Polignac number, because 252320315145 - 25 = 252320315113 is a prime.

It is a super-5 number, since 5×2523203151455 (a number of 58 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (252320315147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5786625 + ... + 5830065.

It is an arithmetic number, because the mean of its divisors is an integer number (12719817600).

Almost surely, 2252320315145 is an apocalyptic number.

It is an amenable number.

252320315145 is a deficient number, since it is larger than the sum of its proper divisors (154713848055).

252320315145 is a wasteful number, since it uses less digits than its factorization.

252320315145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46625.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 252320315145 its reverse (541513023252), we get a palindrome (793833338397).

The spelling of 252320315145 in words is "two hundred fifty-two billion, three hundred twenty million, three hundred fifteen thousand, one hundred forty-five".

Divisors: 1 3 5 15 127 381 635 1905 3049 9147 15245 43441 45735 130323 217205 387223 651615 1161669 1936115 5517007 5808345 16551021 27585035 82755105 132451609 397354827 662258045 1986774135 16821354343 50464063029 84106771715 252320315145