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18552168883703 = 713297129986113
BaseRepresentation
bin1000011011111100000110…
…11011111010010111110111
32102200120101112210020200002
410031332003123322113313
54412424320213234303
6103242425420341515
73623231016420110
oct415760333722767
972616345706602
1018552168883703
115a02a26754174
1220b764b9a489b
13a476010956b0
14481d033bd207
152228b79a3788
hex10df836fa5f7

18552168883703 has 32 divisors (see below), whose sum is σ = 23624135875200. Its totient is φ = 14170476773376.

The previous prime is 18552168883697. The next prime is 18552168883793. The reversal of 18552168883703 is 30738886125581.

It is not a de Polignac number, because 18552168883703 - 26 = 18552168883639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18552168883703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18552168883793) 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, 18320375 + ... + 19306487.

It is an arithmetic number, because the mean of its divisors is an integer number (738254246100).

Almost surely, 218552168883703 is an apocalyptic number.

18552168883703 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18552168883703 is a deficient number, since it is larger than the sum of its proper divisors (5071966991497).

18552168883703 is a wasteful number, since it uses less digits than its factorization.

18552168883703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993291.

The product of its (nonzero) digits is 77414400, while the sum is 65.

The spelling of 18552168883703 in words is "eighteen trillion, five hundred fifty-two billion, one hundred sixty-eight million, eight hundred eighty-three thousand, seven hundred three".

Divisors: 1 7 13 29 91 203 377 2639 7129 49903 92677 206741 648739 986113 1447187 2687633 6902791 12819469 18813431 28597277 89736283 200180939 371764601 2602352207 7029999577 49209997039 91389994501 203869987733 639729961507 1427089914131 2650309840529 18552168883703