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487972712831 is a prime number
BaseRepresentation
bin1110001100111010111…
…00001011000101111111
31201122112122202012221012
413012131130023011333
530443332003302311
61012101020425435
750153263423232
oct7063534130577
91648478665835
10487972712831
11178a4796964a
127a6a50a827b
1337028450cc6
1419891b41419
15ca5ecc278b
hex719d70b17f

487972712831 has 2 divisors, whose sum is σ = 487972712832. Its totient is φ = 487972712830.

The previous prime is 487972712827. The next prime is 487972712849. The reversal of 487972712831 is 138217279784.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 487972712831 - 22 = 487972712827 is a prime.

It is a super-2 number, since 2×4879727128312 (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 (487972712891) 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 as a sum of consecutive naturals, namely, 243986356415 + 243986356416.

It is an arithmetic number, because the mean of its divisors is an integer number (243986356416).

Almost surely, 2487972712831 is an apocalyptic number.

487972712831 is a deficient number, since it is larger than the sum of its proper divisors (1).

487972712831 is an equidigital number, since it uses as much as digits as its factorization.

487972712831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9483264, while the sum is 59.

The spelling of 487972712831 in words is "four hundred eighty-seven billion, nine hundred seventy-two million, seven hundred twelve thousand, eight hundred thirty-one".