Search a number
-
+
121302041044 = 22229132425809
BaseRepresentation
bin111000011111000101…
…0100100000111010100
3102121002202012011000211
41300332022210013110
53441411310303134
6131420403415204
711522656223302
oct1607612440724
9377082164024
10121302041044
11474979268a8
121b613984504
13b591b88362
145c2a239272
15324e44a764
hex1c3e2a41d4

121302041044 has 12 divisors (see below), whose sum is σ = 213205554100. Its totient is φ = 60386168448.

The previous prime is 121302041033. The next prime is 121302041051. The reversal of 121302041044 is 440140203121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 115967491600 + 5334549444 = 340540^2 + 73038^2 .

It is a super-2 number, since 2×1213020410442 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 66211989 + ... + 66213820.

Almost surely, 2121302041044 is an apocalyptic number.

It is an amenable number.

121302041044 is a deficient number, since it is larger than the sum of its proper divisors (91903513056).

121302041044 is a wasteful number, since it uses less digits than its factorization.

121302041044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132426042 (or 132426040 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 121302041044 its reverse (440140203121), we get a palindrome (561442244165).

The spelling of 121302041044 in words is "one hundred twenty-one billion, three hundred two million, forty-one thousand, forty-four".

Divisors: 1 2 4 229 458 916 132425809 264851618 529703236 30325510261 60651020522 121302041044