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18212093019203 = 19157104921792671
BaseRepresentation
bin1000010010000010101010…
…10101011100010001000011
32101111001121002001100220012
410021001111111130101003
54341341331303103303
6102422304154335135
73556531433313356
oct411012525342103
971431532040805
1018212093019203
1158917837a27a6
12206176112a4ab
13a215155715c5
1446d6819a229d
15218b11d245d8
hex10905555c443

18212093019203 has 32 divisors (see below), whose sum is σ = 19327217280000. Its totient is φ = 17113054083840.

The previous prime is 18212093019179. The next prime is 18212093019209. The reversal of 18212093019203 is 30291039021281.

It is a cyclic number.

It is not a de Polignac number, because 18212093019203 - 216 = 18212092953667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18212093019209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6818453558 + ... + 6818456228.

It is an arithmetic number, because the mean of its divisors is an integer number (603975540000).

Almost surely, 218212093019203 is an apocalyptic number.

18212093019203 is a deficient number, since it is larger than the sum of its proper divisors (1115124260797).

18212093019203 is a wasteful number, since it uses less digits than its factorization.

18212093019203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6075.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 18212093019203 in words is "eighteen trillion, two hundred twelve billion, ninety-three million, nineteen thousand, two hundred three".

Divisors: 1 19 157 1049 2179 2671 2983 19931 41401 50749 164693 342103 419347 2285771 2801879 3129167 5820109 6499957 7967593 43429649 53235701 110582071 358866047 439895003 913757113 6105294341 6818454893 8358005057 17361385147 116000592479 958531211537 18212093019203