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1075131427 is a prime number
BaseRepresentation
bin100000000010101…
…0011010000100011
32202221001100001111
41000011103100203
54200213201202
6254403444151
735433315646
oct10005232043
92687040044
101075131427
1150197a177
12260086657
13141984556
14a2b07a5d
15645c26d7
hex40153423

1075131427 has 2 divisors, whose sum is σ = 1075131428. Its totient is φ = 1075131426.

The previous prime is 1075131383. The next prime is 1075131467. The reversal of 1075131427 is 7241315701.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1075131427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1075131467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537565713 + 537565714.

It is an arithmetic number, because the mean of its divisors is an integer number (537565714).

Almost surely, 21075131427 is an apocalyptic number.

1075131427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075131427 is an equidigital number, since it uses as much as digits as its factorization.

1075131427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 1075131427 is about 32789.1968032155. The cubic root of 1075131427 is about 1024.4415524707.

The spelling of 1075131427 in words is "one billion, seventy-five million, one hundred thirty-one thousand, four hundred twenty-seven".