Search a number
-
+
11621031304142 = 213695964228013
BaseRepresentation
bin1010100100011011101101…
…1100010101101111001110
31112010221220122121200101002
42221012323130111233032
53010344333003213032
640414343355420302
72306406663156011
oct251067334255716
945127818550332
1011621031304142
1137804a72365a7
121378297a54692
13663b21306b10
142c2664a7b378
15152452aa9862
hexa91bb715bce

11621031304142 has 16 divisors (see below), whose sum is σ = 18775133052480. Its totient is φ = 5362782089952.

The previous prime is 11621031304123. The next prime is 11621031304153. The reversal of 11621031304142 is 24140313012611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31933073 + ... + 32294940.

It is an arithmetic number, because the mean of its divisors is an integer number (1173445815780).

Almost surely, 211621031304142 is an apocalyptic number.

11621031304142 is a deficient number, since it is larger than the sum of its proper divisors (7154101748338).

11621031304142 is a wasteful number, since it uses less digits than its factorization.

11621031304142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64234987.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 11621031304142 its reverse (24140313012611), we get a palindrome (35761344316753).

The spelling of 11621031304142 in words is "eleven trillion, six hundred twenty-one billion, thirty-one million, three hundred four thousand, one hundred forty-two".

Divisors: 1 2 13 26 6959 13918 90467 180934 64228013 128456026 834964169 1669928338 446962742467 893925484934 5810515652071 11621031304142