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18103770145483 = 1119721312008999
BaseRepresentation
bin1000001110111000111001…
…10010011110001011001011
32101002200222212110020021021
410013130130302132023023
54333103010124123413
6102300431315253311
73545645205140041
oct407343462361313
971080885406237
1018103770145483
11584a847312470
12204476bbaa237
13a14241672819
1446832742c391
15215dc20b318d
hex10771cc9e2cb

18103770145483 has 16 divisors (see below), whose sum is σ = 20791902240000. Its totient is φ = 15589600843680.

The previous prime is 18103770145471. The next prime is 18103770145529. The reversal of 18103770145483 is 38454107730181.

It is a cyclic number.

It is not a de Polignac number, because 18103770145483 - 225 = 18103736591051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18103770145483.

It is not an unprimeable number, because it can be changed into a prime (18103770145403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4496983 + ... + 7512016.

It is an arithmetic number, because the mean of its divisors is an integer number (1299493890000).

Almost surely, 218103770145483 is an apocalyptic number.

18103770145483 is a deficient number, since it is larger than the sum of its proper divisors (2688132094517).

18103770145483 is a wasteful number, since it uses less digits than its factorization.

18103770145483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12016242.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 18103770145483 in words is "eighteen trillion, one hundred three billion, seven hundred seventy million, one hundred forty-five thousand, four hundred eighty-three".

Divisors: 1 11 19 209 7213 79343 137047 1507517 12008999 132098989 228170981 2509880791 86620909787 952830007657 1645797285953 18103770145483