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130864219 = 502326053
BaseRepresentation
bin1111100110011…
…01010001011011
3100010020120221221
413303031101123
5232000123334
620552512511
73146220223
oct763152133
9303216857
10130864219
1167962252
12379ab737
132115bc65
1413547083
15b74e8b4
hex7ccd45b

130864219 has 4 divisors (see below), whose sum is σ = 130895296. Its totient is φ = 130833144.

The previous prime is 130864213. The next prime is 130864243. The reversal of 130864219 is 912468031.

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

It is a cyclic number.

It is not a de Polignac number, because 130864219 - 25 = 130864187 is a prime.

It is a super-2 number, since 2×1308642192 = 34250887628959922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130864213) 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, 8004 + ... + 18049.

It is an arithmetic number, because the mean of its divisors is an integer number (32723824).

Almost surely, 2130864219 is an apocalyptic number.

130864219 is a deficient number, since it is larger than the sum of its proper divisors (31077).

130864219 is an equidigital number, since it uses as much as digits as its factorization.

130864219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31076.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 130864219 is about 11439.5899839111. The cubic root of 130864219 is about 507.6997768809.

The spelling of 130864219 in words is "one hundred thirty million, eight hundred sixty-four thousand, two hundred nineteen".

Divisors: 1 5023 26053 130864219