Base | Representation |
---|---|
bin | 111100100101111010… |
… | …0010001001100101100 |
3 | 110102212100122021220012 |
4 | 1321023310101030230 |
5 | 4112441434341022 |
6 | 135435440512352 |
7 | 12254343232025 |
oct | 1711364211454 |
9 | 412770567805 |
10 | 130121012012 |
11 | 50202a12262 |
12 | 2127531b6b8 |
13 | c368c94284 |
14 | 64255a9c4c |
15 | 35b87b8de2 |
hex | 1e4bd1132c |
130121012012 has 12 divisors (see below), whose sum is σ = 228983905080. Its totient is φ = 64697039136.
The previous prime is 130121012011. The next prime is 130121012017. The reversal of 130121012012 is 210210121031.
It is not an unprimeable number, because it can be changed into a prime (130121012011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90865913 + ... + 90867344.
It is an arithmetic number, because the mean of its divisors is an integer number (19081992090).
Almost surely, 2130121012012 is an apocalyptic number.
It is an amenable number.
130121012012 is a deficient number, since it is larger than the sum of its proper divisors (98862893068).
130121012012 is a wasteful number, since it uses less digits than its factorization.
130121012012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 181733440 (or 181733438 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 14.
Adding to 130121012012 its reverse (210210121031), we get a palindrome (340331133043).
The spelling of 130121012012 in words is "one hundred thirty billion, one hundred twenty-one million, twelve thousand, twelve".
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