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1012222103 = 1621624443
BaseRepresentation
bin111100010101010…
…100100010010111
32121112200012200112
4330111110202113
54033112101403
6244235233235
734040513564
oct7425244227
92545605615
101012222103
1147a4114a2
12242ba881b
131319292b9
149860d86b
155dce79d8
hex3c554897

1012222103 has 4 divisors (see below), whose sum is σ = 1012848168. Its totient is φ = 1011596040.

The previous prime is 1012222087. The next prime is 1012222117. The reversal of 1012222103 is 3012222101.

It is a happy number.

1012222103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3012222101 = 7430317443.

It is a cyclic number.

It is not a de Polignac number, because 1012222103 - 24 = 1012222087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012222153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310601 + ... + 313842.

It is an arithmetic number, because the mean of its divisors is an integer number (253212042).

Almost surely, 21012222103 is an apocalyptic number.

1012222103 is a deficient number, since it is larger than the sum of its proper divisors (626065).

1012222103 is an equidigital number, since it uses as much as digits as its factorization.

1012222103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626064.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1012222103 is about 31815.4381236531. The cubic root of 1012222103 is about 1004.0575483672.

Adding to 1012222103 its reverse (3012222101), we get a palindrome (4024444204).

The spelling of 1012222103 in words is "one billion, twelve million, two hundred twenty-two thousand, one hundred three".

Divisors: 1 1621 624443 1012222103