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8102581301 is a prime number
BaseRepresentation
bin1111000101111001…
…11001010000110101
3202220200102202222202
413202330321100311
5113043230100201
63420002234245
7404534543003
oct74274712065
922820382882
108102581301
113488772291
1216a1655985
139c187b809
1456c16ba73
1532650ec6b
hex1e2f39435

8102581301 has 2 divisors, whose sum is σ = 8102581302. Its totient is φ = 8102581300.

The previous prime is 8102581241. The next prime is 8102581337. The reversal of 8102581301 is 1031852018.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6691076401 + 1411504900 = 81799^2 + 37570^2 .

It is a cyclic number.

It is not a de Polignac number, because 8102581301 - 222 = 8098386997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8102581801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4051290650 + 4051290651.

It is an arithmetic number, because the mean of its divisors is an integer number (4051290651).

Almost surely, 28102581301 is an apocalyptic number.

It is an amenable number.

8102581301 is a deficient number, since it is larger than the sum of its proper divisors (1).

8102581301 is an equidigital number, since it uses as much as digits as its factorization.

8102581301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 8102581301 is about 90014.3394187837. The cubic root of 8102581301 is about 2008.5121619028.

The spelling of 8102581301 in words is "eight billion, one hundred two million, five hundred eighty-one thousand, three hundred one".