Base | Representation |
---|---|
bin | 1111010000101… |
… | …01100001111101 |
3 | 22220212210211100 |
4 | 13220111201331 |
5 | 230232430321 |
6 | 20411443313 |
7 | 3113051001 |
oct | 750254175 |
9 | 286783740 |
10 | 128014461 |
11 | 66296183 |
12 | 36a56539 |
13 | 206a1b03 |
14 | 13004701 |
15 | b38a326 |
hex | 7a1587d |
128014461 has 12 divisors (see below), whose sum is σ = 185616288. Its totient is φ = 85016904.
The previous prime is 128014459. The next prime is 128014463. The reversal of 128014461 is 164410821.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (128014459) and next prime (128014463).
It is not a de Polignac number, because 128014461 - 21 = 128014459 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128014463) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24675 + ... + 29408.
It is an arithmetic number, because the mean of its divisors is an integer number (15468024).
Almost surely, 2128014461 is an apocalyptic number.
It is an amenable number.
128014461 is a deficient number, since it is larger than the sum of its proper divisors (57601827).
128014461 is a wasteful number, since it uses less digits than its factorization.
128014461 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54352 (or 54349 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 27.
The square root of 128014461 is about 11314.3475728828. The cubic root of 128014461 is about 503.9873981165.
The spelling of 128014461 in words is "one hundred twenty-eight million, fourteen thousand, four hundred sixty-one".
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