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1000130947 is a prime number
BaseRepresentation
bin111011100111001…
…100100110000011
32120200220220201221
4323213030212003
54022013142242
6243124135511
733532654444
oct7347144603
92520826657
101000130947
11473603202
1223ab37597
1312c28497a
1496b832cb
155cc0a167
hex3b9cc983

1000130947 has 2 divisors, whose sum is σ = 1000130948. Its totient is φ = 1000130946.

The previous prime is 1000130903. The next prime is 1000130953. The reversal of 1000130947 is 7490310001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000130947 - 227 = 865913219 is a prime.

It is a super-2 number, since 2×10001309472 = 2000523822294233618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1000130147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500065473 + 500065474.

It is an arithmetic number, because the mean of its divisors is an integer number (500065474).

Almost surely, 21000130947 is an apocalyptic number.

1000130947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000130947 is an equidigital number, since it uses as much as digits as its factorization.

1000130947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1000130947 is about 31624.8469877721. The cubic root of 1000130947 is about 1000.0436470949.

Adding to 1000130947 its reverse (7490310001), we get a palindrome (8490440948).

The spelling of 1000130947 in words is "one billion, one hundred thirty thousand, nine hundred forty-seven".