Base | Representation |
---|---|
bin | 1111100110100… |
… | …01100100101001 |
3 | 100010021111010022 |
4 | 13303101210221 |
5 | 232001204313 |
6 | 20553130225 |
7 | 3146322455 |
oct | 763214451 |
9 | 303244108 |
10 | 130881833 |
11 | 67974505 |
12 | 379b9975 |
13 | 21166c94 |
14 | 1354d665 |
15 | b754c08 |
hex | 7cd1929 |
130881833 has 2 divisors, whose sum is σ = 130881834. Its totient is φ = 130881832.
The previous prime is 130881811. The next prime is 130881841. The reversal of 130881833 is 338188031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 111239209 + 19642624 = 10547^2 + 4432^2 .
It is an emirp because it is prime and its reverse (338188031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 130881833 - 28 = 130881577 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130881793 and 130881802.
It is not a weakly prime, because it can be changed into another prime (130881893) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65440916 + 65440917.
It is an arithmetic number, because the mean of its divisors is an integer number (65440917).
Almost surely, 2130881833 is an apocalyptic number.
It is an amenable number.
130881833 is a deficient number, since it is larger than the sum of its proper divisors (1).
130881833 is an equidigital number, since it uses as much as digits as its factorization.
130881833 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13824, while the sum is 35.
The square root of 130881833 is about 11440.3598282572. The cubic root of 130881833 is about 507.7225542368.
The spelling of 130881833 in words is "one hundred thirty million, eight hundred eighty-one thousand, eight hundred thirty-three".
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