Base | Representation |
---|---|
bin | 111100010100101100… |
… | …1111000101110110010 |
3 | 110101101010021022111212 |
4 | 1320221121320232302 |
5 | 4110301134430311 |
6 | 135302254240122 |
7 | 12234133014152 |
oct | 1705131705662 |
9 | 411333238455 |
10 | 129543670706 |
11 | 4aa3703018a |
12 | 21133ab6042 |
13 | c2a649ccb8 |
14 | 63aca40762 |
15 | 3582c74c8b |
hex | 1e29678bb2 |
129543670706 has 32 divisors (see below), whose sum is σ = 200356027200. Its totient is φ = 62792009280.
The previous prime is 129543670703. The next prime is 129543670721. The reversal of 129543670706 is 607076345921.
It is not an unprimeable number, because it can be changed into a prime (129543670703) 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, 3088040 + ... + 3129708.
It is an arithmetic number, because the mean of its divisors is an integer number (6261125850).
Almost surely, 2129543670706 is an apocalyptic number.
129543670706 is a deficient number, since it is larger than the sum of its proper divisors (70812356494).
129543670706 is a wasteful number, since it uses less digits than its factorization.
129543670706 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42074.
The product of its (nonzero) digits is 1905120, while the sum is 50.
The spelling of 129543670706 in words is "one hundred twenty-nine billion, five hundred forty-three million, six hundred seventy thousand, seven hundred six".
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