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130213771 is a prime number
BaseRepresentation
bin1111100001011…
…10011110001011
3100002000112201021
413300232132023
5231313320041
620530533311
73140540662
oct760563613
9302015637
10130213771
1167558596
1237737237
1320c91b8c
1413417dd9
15b671cd1
hex7c2e78b

130213771 has 2 divisors, whose sum is σ = 130213772. Its totient is φ = 130213770.

The previous prime is 130213747. The next prime is 130213777. The reversal of 130213771 is 177312031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130213771 - 221 = 128116619 is a prime.

It is not a weakly prime, because it can be changed into another prime (130213777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65106885 + 65106886.

It is an arithmetic number, because the mean of its divisors is an integer number (65106886).

Almost surely, 2130213771 is an apocalyptic number.

130213771 is a deficient number, since it is larger than the sum of its proper divisors (1).

130213771 is an equidigital number, since it uses as much as digits as its factorization.

130213771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 130213771 is about 11411.1248788189. The cubic root of 130213771 is about 506.8572217701.

The spelling of 130213771 in words is "one hundred thirty million, two hundred thirteen thousand, seven hundred seventy-one".