Base | Representation |
---|---|
bin | 111100110100101000… |
… | …1101001011010011101 |
3 | 110111010210122022120112 |
4 | 1321221101221122131 |
5 | 4120000001041022 |
6 | 140000454055405 |
7 | 12302524220552 |
oct | 1715121513235 |
9 | 414123568515 |
10 | 130615252637 |
11 | 504369a5591 |
12 | 2139294a565 |
13 | c4174b0a4c |
14 | 64710a2a29 |
15 | 35e6d958e2 |
hex | 1e6946969d |
130615252637 has 8 divisors (see below), whose sum is σ = 133141964760. Its totient is φ = 128090847040.
The previous prime is 130615252627. The next prime is 130615252673. The reversal of 130615252637 is 736252516031.
It can be written as a sum of positive squares in 4 ways, for example, as 57513152761 + 73102099876 = 239819^2 + 270374^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 130615252637 - 212 = 130615248541 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130615252594 and 130615252603.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130615252627) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462062 + ... + 689007.
It is an arithmetic number, because the mean of its divisors is an integer number (16642745595).
Almost surely, 2130615252637 is an apocalyptic number.
It is an amenable number.
130615252637 is a deficient number, since it is larger than the sum of its proper divisors (2526712123).
130615252637 is a wasteful number, since it uses less digits than its factorization.
130615252637 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1153263.
The product of its (nonzero) digits is 226800, while the sum is 41.
Adding to 130615252637 its reverse (736252516031), we get a palindrome (866867768668).
The spelling of 130615252637 in words is "one hundred thirty billion, six hundred fifteen million, two hundred fifty-two thousand, six hundred thirty-seven".
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