Base | Representation |
---|---|
bin | 1111100001001… |
… | …01110110011000 |
3 | 100001221202021022 |
4 | 13300211312120 |
5 | 231311202311 |
6 | 20530102012 |
7 | 3140333012 |
oct | 760456630 |
9 | 301852238 |
10 | 130178456 |
11 | 67534001 |
12 | 3771a908 |
13 | 20c7ba95 |
14 | 134091b2 |
15 | b6665db |
hex | 7c25d98 |
130178456 has 8 divisors (see below), whose sum is σ = 244084620. Its totient is φ = 65089224.
The previous prime is 130178449. The next prime is 130178471. The reversal of 130178456 is 654871031.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8136146 + ... + 8136161.
Almost surely, 2130178456 is an apocalyptic number.
It is an amenable number.
130178456 is a deficient number, since it is larger than the sum of its proper divisors (113906164).
130178456 is a wasteful number, since it uses less digits than its factorization.
130178456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16272313 (or 16272309 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 35.
The square root of 130178456 is about 11409.5773804291. The cubic root of 130178456 is about 506.8113964040.
The spelling of 130178456 in words is "one hundred thirty million, one hundred seventy-eight thousand, four hundred fifty-six".
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