Search a number
-
+
133130043 = 3217870131
BaseRepresentation
bin1111110111101…
…10011100111011
3100021111201002100
413323312130323
5233040130133
621113234443
73204405144
oct773663473
9307451070
10133130043
116916a632
1238702a23
1321773397
1413976acb
15ba4ae13
hex7ef673b

133130043 has 12 divisors (see below), whose sum is σ = 203610888. Its totient is φ = 83532480.

The previous prime is 133129987. The next prime is 133130047. The reversal of 133130043 is 340031331.

It is not a de Polignac number, because 133130043 - 218 = 132867899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133129998 and 133130025.

It is not an unprimeable number, because it can be changed into a prime (133130047) 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, 434913 + ... + 435218.

It is an arithmetic number, because the mean of its divisors is an integer number (16967574).

Almost surely, 2133130043 is an apocalyptic number.

133130043 is a deficient number, since it is larger than the sum of its proper divisors (70480845).

133130043 is a wasteful number, since it uses less digits than its factorization.

133130043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870154 (or 870151 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 133130043 is about 11538.1992962507. The cubic root of 133130043 is about 510.6131840287.

Adding to 133130043 its reverse (340031331), we get a palindrome (473161374).

The spelling of 133130043 in words is "one hundred thirty-three million, one hundred thirty thousand, forty-three".

Divisors: 1 3 9 17 51 153 870131 2610393 7831179 14792227 44376681 133130043