Base | Representation |
---|---|
bin | 1111100100110… |
… | …10001110100111 |
3 | 100002211222011101 |
4 | 13302122032213 |
5 | 231421431033 |
6 | 20544220531 |
7 | 3144356533 |
oct | 762321647 |
9 | 302758141 |
10 | 130655143 |
11 | 6782a163 |
12 | 3790a747 |
13 | 210b7a48 |
14 | 134d0bc3 |
15 | b70c97d |
hex | 7c9a3a7 |
130655143 has 8 divisors (see below), whose sum is σ = 131863680. Its totient is φ = 129452280.
The previous prime is 130655141. The next prime is 130655167. The reversal of 130655143 is 341556031.
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 130655143 - 21 = 130655141 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130655141) 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, 54496 + ... + 56842.
It is an arithmetic number, because the mean of its divisors is an integer number (16482960).
Almost surely, 2130655143 is an apocalyptic number.
130655143 is a deficient number, since it is larger than the sum of its proper divisors (1208537).
130655143 is a wasteful number, since it uses less digits than its factorization.
130655143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2837.
The product of its (nonzero) digits is 5400, while the sum is 28.
The square root of 130655143 is about 11430.4480664583. The cubic root of 130655143 is about 507.4292562378.
The spelling of 130655143 in words is "one hundred thirty million, six hundred fifty-five thousand, one hundred forty-three".
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