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121332242044 = 221319122805913
BaseRepresentation
bin111000011111111110…
…1110001011001111100
3102121011212000112000101
41300333331301121330
53441442023221134
6131423403010444
711523504016666
oct1607775613174
9377155015011
10121332242044
1147502984302
121b621b09a24
13b598200980
145c3025b536
153251e13e14
hex1c3ff7167c

121332242044 has 24 divisors (see below), whose sum is σ = 240699591440. Its totient is φ = 53052153984.

The previous prime is 121332242039. The next prime is 121332242069. The reversal of 121332242044 is 440242233121.

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, 61401969 + ... + 61403944.

Almost surely, 2121332242044 is an apocalyptic number.

It is an amenable number.

121332242044 is a deficient number, since it is larger than the sum of its proper divisors (119367349396).

121332242044 is a wasteful number, since it uses less digits than its factorization.

121332242044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122805949 (or 122805947 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 121332242044 its reverse (440242233121), we get a palindrome (561574475165).

The spelling of 121332242044 in words is "one hundred twenty-one billion, three hundred thirty-two million, two hundred forty-two thousand, forty-four".

Divisors: 1 2 4 13 19 26 38 52 76 247 494 988 122805913 245611826 491223652 1596476869 2333312347 3192953738 4666624694 6385907476 9333249388 30333060511 60666121022 121332242044