Base | Representation |
---|---|
bin | 1111100110110… |
… | …10111011110001 |
3 | 100010100102201110 |
4 | 13303122323301 |
5 | 232003421202 |
6 | 20554023533 |
7 | 3146542323 |
oct | 763327361 |
9 | 303312643 |
10 | 130920177 |
11 | 679a02a3 |
12 | 37a17ba9 |
13 | 2117b57b |
14 | 1355d613 |
15 | b76126c |
hex | 7cdaef1 |
130920177 has 8 divisors (see below), whose sum is σ = 174657600. Its totient is φ = 87231440.
The previous prime is 130920173. The next prime is 130920187. The reversal of 130920177 is 771029031.
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 130920177 - 22 = 130920173 is a prime.
It is a super-2 number, since 2×1309201772 = 34280185491422658, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (130920173) 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, 5349 + ... + 17042.
It is an arithmetic number, because the mean of its divisors is an integer number (21832200).
Almost surely, 2130920177 is an apocalyptic number.
It is an amenable number.
130920177 is a deficient number, since it is larger than the sum of its proper divisors (43737423).
130920177 is a wasteful number, since it uses less digits than its factorization.
130920177 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24343.
The product of its (nonzero) digits is 2646, while the sum is 30.
The square root of 130920177 is about 11442.0355269506. The cubic root of 130920177 is about 507.7721313052.
The spelling of 130920177 in words is "one hundred thirty million, nine hundred twenty thousand, one hundred seventy-seven".
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