Search a number
-
+
130551533 = 722991873
BaseRepresentation
bin1111100100000…
…00111011101101
3100002122201000222
413302000323231
5231410122113
620542101125
73143445500
oct762007355
9302581028
10130551533
1167769332
123787a7a5
132107c838
14134a5137
15b6dbe08
hex7c80eed

130551533 has 12 divisors (see below), whose sum is σ = 157104540. Its totient is φ = 108041472.

The previous prime is 130551523. The next prime is 130551539. The reversal of 130551533 is 335155031.

It can be written as a sum of positive squares in 2 ways, for example, as 110103049 + 20448484 = 10493^2 + 4522^2 .

It is not a de Polignac number, because 130551533 - 26 = 130551469 is a prime.

It is a super-3 number, since 3×1305515333 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130551539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44516 + ... + 47357.

It is an arithmetic number, because the mean of its divisors is an integer number (13092045).

Almost surely, 2130551533 is an apocalyptic number.

It is an amenable number.

130551533 is a deficient number, since it is larger than the sum of its proper divisors (26553007).

130551533 is an equidigital number, since it uses as much as digits as its factorization.

130551533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91916 (or 91909 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 26.

The square root of 130551533 is about 11425.9149743029. The cubic root of 130551533 is about 507.2950896895.

The spelling of 130551533 in words is "one hundred thirty million, five hundred fifty-one thousand, five hundred thirty-three".

Divisors: 1 7 29 49 203 1421 91873 643111 2664317 4501777 18650219 130551533