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18207112276627 = 8922818180027
BaseRepresentation
bin1000010001111001011000…
…11101011010101010010011
32101110120201221220102112221
410020330230131122222103
54341301131220323002
6102420122032001511
73556264133563111
oct410745435325223
971416657812487
1018207112276627
11588a65824911a
1220607b1090297
13a20c006c6151
1446d32c2b4ab1
1521891e923c37
hex108f2c75aa93

18207112276627 has 12 divisors (see below), whose sum is σ = 18479517614856. Its totient is φ = 17938469816960.

The previous prime is 18207112276621. The next prime is 18207112276651. The reversal of 18207112276627 is 72667221170281.

It is a happy number.

It is not a de Polignac number, because 18207112276627 - 27 = 18207112276499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18207112276621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1864213 + ... + 6315814.

It is an arithmetic number, because the mean of its divisors is an integer number (1539959801238).

Almost surely, 218207112276627 is an apocalyptic number.

18207112276627 is a deficient number, since it is larger than the sum of its proper divisors (272405338229).

18207112276627 is an frugal number, since it uses more digits than its factorization.

18207112276627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8180486 (or 8180397 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 52.

The spelling of 18207112276627 in words is "eighteen trillion, two hundred seven billion, one hundred twelve million, two hundred seventy-six thousand, six hundred twenty-seven".

Divisors: 1 89 281 7921 25009 2225801 8180027 728022403 2298587587 64793993867 204574295243 18207112276627