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2018040553 is a prime number
BaseRepresentation
bin111100001001000…
…1101101011101001
312012122022002012201
41320102031223221
513113104244203
6532125340201
7101003030104
oct17022155351
95178262181
102018040553
11946149811
12483a07661
13262122949
1415203373b
15bc277e1d
hex7848dae9

2018040553 has 2 divisors, whose sum is σ = 2018040554. Its totient is φ = 2018040552.

The previous prime is 2018040547. The next prime is 2018040589. The reversal of 2018040553 is 3550408102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2010356569 + 7683984 = 44837^2 + 2772^2 .

It is a cyclic number.

It is not a de Polignac number, because 2018040553 - 221 = 2015943401 is a prime.

It is not a weakly prime, because it can be changed into another prime (2018040533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009020276 + 1009020277.

It is an arithmetic number, because the mean of its divisors is an integer number (1009020277).

Almost surely, 22018040553 is an apocalyptic number.

It is an amenable number.

2018040553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2018040553 is an equidigital number, since it uses as much as digits as its factorization.

2018040553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2018040553 is about 44922.6062578742. The cubic root of 2018040553 is about 1263.6979949399.

Adding to 2018040553 its reverse (3550408102), we get a palindrome (5568448655).

The spelling of 2018040553 in words is "two billion, eighteen million, forty thousand, five hundred fifty-three".