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252320444513 = 1725667578267
BaseRepresentation
bin1110101011111101111…
…0000111000001100001
3220010021122102122120122
43222333132013001201
513113223013211023
6311525302450025
724141510251054
oct3527736070141
9803248378518
10252320444513
1198010349595
1240a99733915
131aa41a41897
14c2d8a82a9b
15686b8c82c8
hex3abf787061

252320444513 has 8 divisors (see below), whose sum is σ = 267173694432. Its totient is φ = 237468402496.

The previous prime is 252320444489. The next prime is 252320444561. The reversal of 252320444513 is 315444023252.

It is a happy number.

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 252320444513 - 222 = 252316250209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252320444573) 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, 147206 + ... + 725472.

It is an arithmetic number, because the mean of its divisors is an integer number (33396711804).

Almost surely, 2252320444513 is an apocalyptic number.

It is an amenable number.

252320444513 is a deficient number, since it is larger than the sum of its proper divisors (14853249919).

252320444513 is a wasteful number, since it uses less digits than its factorization.

252320444513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603951.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 252320444513 its reverse (315444023252), we get a palindrome (567764467765).

The spelling of 252320444513 in words is "two hundred fifty-two billion, three hundred twenty million, four hundred forty-four thousand, five hundred thirteen".

Divisors: 1 17 25667 436339 578267 9830539 14842379089 252320444513