Base | Representation |
---|---|
bin | 1111100000001… |
… | …10110101001101 |
3 | 100001201021222201 |
4 | 13300012311031 |
5 | 231243121110 |
6 | 20523241501 |
7 | 3136263421 |
oct | 760066515 |
9 | 301637881 |
10 | 130051405 |
11 | 67457600 |
12 | 37679291 |
13 | 20c35cc3 |
14 | 133b4b81 |
15 | b63db3a |
hex | 7c06d4d |
130051405 has 24 divisors (see below), whose sum is σ = 173287296. Its totient is φ = 93619680.
The previous prime is 130051387. The next prime is 130051433. The reversal of 130051405 is 504150031.
130051405 = 4562 + 4572 + ... + 7852.
It is not a de Polignac number, because 130051405 - 217 = 129920333 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61272 + ... + 63358.
It is an arithmetic number, because the mean of its divisors is an integer number (7220304).
Almost surely, 2130051405 is an apocalyptic number.
It is an amenable number.
130051405 is a deficient number, since it is larger than the sum of its proper divisors (43235891).
130051405 is a wasteful number, since it uses less digits than its factorization.
130051405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2217 (or 2206 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 19.
The square root of 130051405 is about 11404.0082865631. The cubic root of 130051405 is about 506.6464642126.
The spelling of 130051405 in words is "one hundred thirty million, fifty-one thousand, four hundred five".
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