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487671278514061 is a prime number
BaseRepresentation
bin110111011100010001101000…
…1010100101010111110001101
32100221200220210220000212002111
41232320203101110222332031
51002410001234244422221
64445105031553224021
7204502041620413135
oct15670432124527615
92327626726025074
10487671278514061
11131429256180234
1246841b64562011
1317c16286934815
14885d5b701bac5
153b5a6b0a8dbe1
hex1bb88d152af8d

487671278514061 has 2 divisors, whose sum is σ = 487671278514062. Its totient is φ = 487671278514060.

The previous prime is 487671278513851. The next prime is 487671278514073. The reversal of 487671278514061 is 160415872176784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 484615931832036 + 3055346682025 = 22013994^2 + 1747955^2 .

It is a cyclic number.

It is not a de Polignac number, because 487671278514061 - 225 = 487671244959629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487671278514961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243835639257030 + 243835639257031.

It is an arithmetic number, because the mean of its divisors is an integer number (243835639257031).

Almost surely, 2487671278514061 is an apocalyptic number.

It is an amenable number.

487671278514061 is a deficient number, since it is larger than the sum of its proper divisors (1).

487671278514061 is an equidigital number, since it uses as much as digits as its factorization.

487671278514061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126443520, while the sum is 67.

The spelling of 487671278514061 in words is "four hundred eighty-seven trillion, six hundred seventy-one billion, two hundred seventy-eight million, five hundred fourteen thousand, sixty-one".