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18000110802 = 2321114218097
BaseRepresentation
bin10000110000111000…
…111110010011010010
31201110110101101000110
4100300320332103102
5243331012021202
612134044502150
71205026263102
oct206070762322
951413341013
1018000110802
1176a7658733
1235a424a956
13190b26bb4b
14c2a859202
157053cb26c
hex430e3e4d2

18000110802 has 16 divisors (see below), whose sum is σ = 36170841312. Its totient is φ = 5971600320.

The previous prime is 18000110801. The next prime is 18000110803. The reversal of 18000110802 is 20801100081.

It is an interprime number because it is at equal distance from previous prime (18000110801) and next prime (18000110803).

It is not an unprimeable number, because it can be changed into a prime (18000110801) 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, 7107783 + ... + 7110314.

It is an arithmetic number, because the mean of its divisors is an integer number (2260677582).

Almost surely, 218000110802 is an apocalyptic number.

18000110802 is an abundant number, since it is smaller than the sum of its proper divisors (18170730510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18000110802 is a wasteful number, since it uses less digits than its factorization.

18000110802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14218313.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 18000110802 its reverse (20801100081), we get a palindrome (38801210883).

The spelling of 18000110802 in words is "eighteen billion, one hundred ten thousand, eight hundred two".

Divisors: 1 2 3 6 211 422 633 1266 14218097 28436194 42654291 85308582 3000018467 6000036934 9000055401 18000110802