Base | Representation |
---|---|
bin | 11011100011101110100010… |
… | …101110001000111011101111 |
3 | 120220010211121111100001021012 |
4 | 123203232202232020323233 |
5 | 111341240020001130111 |
6 | 1105435341445455435 |
7 | 34346404521514241 |
oct | 3343564256107357 |
9 | 526124544301235 |
10 | 121202412130031 |
11 | 356897219a82a1 |
12 | 11715a0a71157b |
13 | 528245268954b |
14 | 21d0329a94091 |
15 | e02b45eb148b |
hex | 6e3ba2b88eef |
121202412130031 has 16 divisors (see below), whose sum is σ = 126069068928000. Its totient is φ = 116395587921600.
The previous prime is 121202412130003. The next prime is 121202412130043. The reversal of 121202412130031 is 130031214202121.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-121202412130031 is a prime.
It is a super-2 number, since 2×1212024121300312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121202412129979 and 121202412130006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121202412130081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343583300 + ... + 343935878.
It is an arithmetic number, because the mean of its divisors is an integer number (7879316808000).
Almost surely, 2121202412130031 is an apocalyptic number.
121202412130031 is a deficient number, since it is larger than the sum of its proper divisors (4866656797969).
121202412130031 is a wasteful number, since it uses less digits than its factorization.
121202412130031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 437390.
The product of its (nonzero) digits is 576, while the sum is 23.
Adding to 121202412130031 its reverse (130031214202121), we get a palindrome (251233626332152).
The spelling of 121202412130031 in words is "one hundred twenty-one trillion, two hundred two billion, four hundred twelve million, one hundred thirty thousand, thirty-one".
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