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1012227829 is a prime number
BaseRepresentation
bin111100010101010…
…101111011110101
32121112200111112121
4330111111323311
54033112242304
6244235315541
734040536354
oct7425257365
92545614477
101012227829
1147a415828
12242babbb1
1313192baa2
149861199b
155dce9554
hex3c555ef5

1012227829 has 2 divisors, whose sum is σ = 1012227830. Its totient is φ = 1012227828.

The previous prime is 1012227823. The next prime is 1012227847. The reversal of 1012227829 is 9287222101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 657922500 + 354305329 = 25650^2 + 18823^2 .

It is an emirp because it is prime and its reverse (9287222101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012227829 - 27 = 1012227701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012227794 and 1012227803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012227823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506113914 + 506113915.

It is an arithmetic number, because the mean of its divisors is an integer number (506113915).

Almost surely, 21012227829 is an apocalyptic number.

It is an amenable number.

1012227829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012227829 is an equidigital number, since it uses as much as digits as its factorization.

1012227829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 1012227829 is about 31815.5281112855. The cubic root of 1012227829 is about 1004.0594416350.

The spelling of 1012227829 in words is "one billion, twelve million, two hundred twenty-seven thousand, eight hundred twenty-nine".