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488166663431 is a prime number
BaseRepresentation
bin1110001101010010000…
…00000010010100000111
31201200001011200221010202
413012221000002110013
530444231131212211
61012132145441115
750161140113666
oct7065100022407
91650034627122
10488166663431
1117903739a5a7
127a73a04019b
133705969a985
14198ad7caddd
15ca71d3453b
hex71a9002507

488166663431 has 2 divisors, whose sum is σ = 488166663432. Its totient is φ = 488166663430.

The previous prime is 488166663427. The next prime is 488166663437. The reversal of 488166663431 is 134366661884.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 488166663431 - 22 = 488166663427 is a prime.

It is a super-2 number, since 2×4881666634312 (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 (488166663437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244083331715 + 244083331716.

It is an arithmetic number, because the mean of its divisors is an integer number (244083331716).

Almost surely, 2488166663431 is an apocalyptic number.

488166663431 is a deficient number, since it is larger than the sum of its proper divisors (1).

488166663431 is an equidigital number, since it uses as much as digits as its factorization.

488166663431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11943936, while the sum is 56.

The spelling of 488166663431 in words is "four hundred eighty-eight billion, one hundred sixty-six million, six hundred sixty-three thousand, four hundred thirty-one".