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130013211 = 3215320129
BaseRepresentation
bin1111011111111…
…01100000011011
3100001122100121010
413233331200123
5231240410321
620522345003
73136044156
oct757754033
9301570533
10130013211
1167430939
123765b163
1320c217c3
14133a4c9d
15b632676
hex7bfd81b

130013211 has 8 divisors (see below), whose sum is σ = 173440080. Its totient is φ = 86630912.

The previous prime is 130013203. The next prime is 130013243. The reversal of 130013211 is 112310031.

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 130013211 - 23 = 130013203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130013291) 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, 3606 + ... + 16523.

It is an arithmetic number, because the mean of its divisors is an integer number (21680010).

Almost surely, 2130013211 is an apocalyptic number.

130013211 is a deficient number, since it is larger than the sum of its proper divisors (43426869).

130013211 is a wasteful number, since it uses less digits than its factorization.

130013211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22285.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 130013211 is about 11402.3335769482. Note that the first 3 decimals coincide. The cubic root of 130013211 is about 506.5968613915.

Adding to 130013211 its reverse (112310031), we get a palindrome (242323242).

The spelling of 130013211 in words is "one hundred thirty million, thirteen thousand, two hundred eleven".

Divisors: 1 3 2153 6459 20129 60387 43337737 130013211