Base | Representation |
---|---|
bin | 111100101000100110… |
… | …0000101101100101000 |
3 | 110110002122020101121012 |
4 | 1321101030011230220 |
5 | 4113133023024230 |
6 | 135452420403052 |
7 | 12256516306661 |
oct | 1712114055450 |
9 | 413078211535 |
10 | 130211142440 |
11 | 50249882615 |
12 | 2129b546488 |
13 | c3818606a2 |
14 | 643354c368 |
15 | 35c166e395 |
hex | 1e51305b28 |
130211142440 has 32 divisors (see below), whose sum is σ = 296988434280. Its totient is φ = 51370970112.
The previous prime is 130211142431. The next prime is 130211142491. The reversal of 130211142440 is 44241112031.
It can be written as a sum of positive squares in 4 ways, for example, as 128411855716 + 1799286724 = 358346^2 + 42418^2 .
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, 22293509 + ... + 22299348.
Almost surely, 2130211142440 is an apocalyptic number.
130211142440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130211142440 is an abundant number, since it is smaller than the sum of its proper divisors (166777291840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130211142440 is a wasteful number, since it uses less digits than its factorization.
130211142440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44592941 (or 44592937 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 23.
Adding to 130211142440 its reverse (44241112031), we get a palindrome (174452254471).
The spelling of 130211142440 in words is "one hundred thirty billion, two hundred eleven million, one hundred forty-two thousand, four hundred forty".
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