Search a number
-
+
130006263 = 343335421
BaseRepresentation
bin1111011111110…
…11110011110111
3100001122000001210
413233323303313
5231240200023
620522252503
73136015002
oct757736367
9301560053
10130006263
11674266a2
1237657133
1320c1b5aa
14133a2539
15b630593
hex7bfbcf7

130006263 has 4 divisors (see below), whose sum is σ = 173341688. Its totient is φ = 86670840.

The previous prime is 130006249. The next prime is 130006301. The reversal of 130006263 is 362600031.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 130006263 - 212 = 130002167 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 (130006363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21667708 + ... + 21667713.

It is an arithmetic number, because the mean of its divisors is an integer number (43335422).

Almost surely, 2130006263 is an apocalyptic number.

130006263 is a deficient number, since it is larger than the sum of its proper divisors (43335425).

130006263 is an equidigital number, since it uses as much as digits as its factorization.

130006263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43335424.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 130006263 is about 11402.0288984022. The cubic root of 130006263 is about 506.5878369299.

Adding to 130006263 its reverse (362600031), we get a palindrome (492606294).

The spelling of 130006263 in words is "one hundred thirty million, six thousand, two hundred sixty-three".

Divisors: 1 3 43335421 130006263