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1012103447 is a prime number
BaseRepresentation
bin111100010100110…
…111100100010111
32121112110011220212
4330110313210113
54033044302242
6244232520035
734036510625
oct7424674427
92545404825
101012103447
1147a340333
12242b5001b
131318b72a4
14985bc515
155dcc2782
hex3c537917

1012103447 has 2 divisors, whose sum is σ = 1012103448. Its totient is φ = 1012103446.

The previous prime is 1012103413. The next prime is 1012103459. The reversal of 1012103447 is 7443012101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012103447 - 222 = 1007909143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012103047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506051723 + 506051724.

It is an arithmetic number, because the mean of its divisors is an integer number (506051724).

Almost surely, 21012103447 is an apocalyptic number.

1012103447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012103447 is an equidigital number, since it uses as much as digits as its factorization.

1012103447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1012103447 is about 31813.5733139174. The cubic root of 1012103447 is about 1004.0183138594.

Adding to 1012103447 its reverse (7443012101), we get a palindrome (8455115548).

The spelling of 1012103447 in words is "one billion, twelve million, one hundred three thousand, four hundred forty-seven".