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18252362030387 = 199412992220887
BaseRepresentation
bin1000010011001101101011…
…00011100001110100110011
32101121220112111022002100212
410021212311203201310303
54343021314134433022
6102453004103134335
73562455355256342
oct411466543416463
971556474262325
1018252362030387
1158a7868589931
12206951b1443ab
13a25262291884
144715c1b97b59
15219bbc2483e2
hex1099b58e1d33

18252362030387 has 8 divisors (see below), whose sum is σ = 18344534880000. Its totient is φ = 18160193705544.

The previous prime is 18252362030341. The next prime is 18252362030443. The reversal of 18252362030387 is 78303026325281.

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 18252362030387 - 212 = 18252362026291 is a prime.

It is a super-2 number, since 2×182523620303872 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18252362030687) 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, 7108058 + ... + 9328944.

It is an arithmetic number, because the mean of its divisors is an integer number (2293066860000).

Almost surely, 218252362030387 is an apocalyptic number.

18252362030387 is a deficient number, since it is larger than the sum of its proper divisors (92172849613).

18252362030387 is a wasteful number, since it uses less digits than its factorization.

18252362030387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262385.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 18252362030387 in words is "eighteen trillion, two hundred fifty-two billion, three hundred sixty-two million, thirty thousand, three hundred eighty-seven".

Divisors: 1 199 41299 2220887 8218501 441956513 91720412213 18252362030387