Base | Representation |
---|---|
bin | 110111011100010001101000… |
… | …1010100101010111110001101 |
3 | 2100221200220210220000212002111 |
4 | 1232320203101110222332031 |
5 | 1002410001234244422221 |
6 | 4445105031553224021 |
7 | 204502041620413135 |
oct | 15670432124527615 |
9 | 2327626726025074 |
10 | 487671278514061 |
11 | 131429256180234 |
12 | 46841b64562011 |
13 | 17c16286934815 |
14 | 885d5b701bac5 |
15 | 3b5a6b0a8dbe1 |
hex | 1bb88d152af8d |
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".
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