Search a number
-
+
1030121212 = 22601428503
BaseRepresentation
bin111101011001100…
…110011011111100
32122210100120122111
4331121212123330
54102202334322
6250115023404
734345612561
oct7531463374
92583316574
101030121212
1148952734a
12248b9ab64
131355553a3
149ab4c868
1560681177
hex3d6666fc

1030121212 has 12 divisors (see below), whose sum is σ = 1805715856. Its totient is φ = 514202400.

The previous prime is 1030121167. The next prime is 1030121237. The reversal of 1030121212 is 2121210301.

It is a super-2 number, since 2×10301212122 = 2122299422824697888, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1030121192 and 1030121201.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 211848 + ... + 216655.

Almost surely, 21030121212 is an apocalyptic number.

It is an amenable number.

1030121212 is a deficient number, since it is larger than the sum of its proper divisors (775594644).

1030121212 is a wasteful number, since it uses less digits than its factorization.

1030121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429108 (or 429106 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1030121212 is about 32095.5014293281. The cubic root of 1030121212 is about 1009.9412480937.

Adding to 1030121212 its reverse (2121210301), we get a palindrome (3151331513).

It can be divided in two parts, 10301 and 21212, that added together give a palindrome (31513).

The spelling of 1030121212 in words is "one billion, thirty million, one hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 4 601 1202 2404 428503 857006 1714012 257530303 515060606 1030121212