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554213421871 is a prime number
BaseRepresentation
bin10000001000010011011…
…00011011001100101111
31221222112002022220002021
420010021230123030233
533040012113444441
61102334021011011
755016632234024
oct10041154331457
91858462286067
10554213421871
111a404a03478a
128b4b0b53a67
1340353ab5725
141cb7738154b
15e63a3593d1
hex8109b1b32f

554213421871 has 2 divisors, whose sum is σ = 554213421872. Its totient is φ = 554213421870.

The previous prime is 554213421803. The next prime is 554213421877. The reversal of 554213421871 is 178124312455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 554213421871 - 231 = 552065938223 is a prime.

It is a super-2 number, since 2×5542134218712 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554213421877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277106710935 + 277106710936.

It is an arithmetic number, because the mean of its divisors is an integer number (277106710936).

Almost surely, 2554213421871 is an apocalyptic number.

554213421871 is a deficient number, since it is larger than the sum of its proper divisors (1).

554213421871 is an equidigital number, since it uses as much as digits as its factorization.

554213421871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268800, while the sum is 43.

The spelling of 554213421871 in words is "five hundred fifty-four billion, two hundred thirteen million, four hundred twenty-one thousand, eight hundred seventy-one".