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122013443240242 = 2398964115291281
BaseRepresentation
bin11011101111100001110111…
…111100010011000100110010
3121000000101000122110020200021
4123233201313330103010302
5111443032012432141432
61111300111345114054
734462115603303401
oct3357416774230462
9530011018406607
10122013443240242
11359716799093a4
121182703332892a
135310a83b33968
14221b6a70a7638
15e18cb293a697
hex6ef877f13132

122013443240242 has 8 divisors (see below), whose sum is σ = 183020222703132. Its totient is φ = 61006702339200.

The previous prime is 122013443240053. The next prime is 122013443240263. The reversal of 122013443240242 is 242042344310221.

It can be written as a sum of positive squares in 2 ways, for example, as 121931262978001 + 82180262241 = 11042249^2 + 286671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 122013443240198 and 122013443240207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333642 + ... + 15624922.

Almost surely, 2122013443240242 is an apocalyptic number.

122013443240242 is a deficient number, since it is larger than the sum of its proper divisors (61006779462890).

122013443240242 is a wasteful number, since it uses less digits than its factorization.

122013443240242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19280924.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 122013443240242 its reverse (242042344310221), we get a palindrome (364055787550463).

The spelling of 122013443240242 in words is "one hundred twenty-two trillion, thirteen billion, four hundred forty-three million, two hundred forty thousand, two hundred forty-two".

Divisors: 1 2 3989641 7979282 15291281 30582562 61006721620121 122013443240242