Base | Representation |
---|---|
bin | 100100101010000… |
… | …0110101101011001 |
3 | 10011201110211120121 |
4 | 1021110012231121 |
5 | 10004340212004 |
6 | 322015153241 |
7 | 42323613421 |
oct | 11124065531 |
9 | 3151424517 |
10 | 1230007129 |
11 | 58134161a |
12 | 2a3b15821 |
13 | 167a9c790 |
14 | b9501481 |
15 | 72eb6854 |
hex | 49506b59 |
1230007129 has 8 divisors (see below), whose sum is σ = 1340583552. Its totient is φ = 1121710800.
The previous prime is 1230007117. The next prime is 1230007139. The reversal of 1230007129 is 9217000321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1230007129 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1230007139) 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, 568897 + ... + 571054.
It is an arithmetic number, because the mean of its divisors is an integer number (167572944).
Almost surely, 21230007129 is an apocalyptic number.
It is an amenable number.
1230007129 is a deficient number, since it is larger than the sum of its proper divisors (110576423).
1230007129 is a wasteful number, since it uses less digits than its factorization.
1230007129 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1140047.
The product of its (nonzero) digits is 756, while the sum is 25.
The square root of 1230007129 is about 35071.4574690018. The cubic root of 1230007129 is about 1071.4433396881.
The spelling of 1230007129 in words is "one billion, two hundred thirty million, seven thousand, one hundred twenty-nine".
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