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130561233 = 3113956401
BaseRepresentation
bin1111100100000…
…11010011010001
3100002200012100020
413302003103101
5231410424413
620542214053
73143515665
oct762032321
9302605306
10130561233
1167775650
1237884329
132108408a
14134a88a5
15b6dec23
hex7c834d1

130561233 has 8 divisors (see below), whose sum is σ = 189907296. Its totient is φ = 79128000.

The previous prime is 130561231. The next prime is 130561247. The reversal of 130561233 is 332165031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130561233 - 21 = 130561231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130561231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1978168 + ... + 1978233.

It is an arithmetic number, because the mean of its divisors is an integer number (23738412).

Almost surely, 2130561233 is an apocalyptic number.

It is an amenable number.

130561233 is a deficient number, since it is larger than the sum of its proper divisors (59346063).

130561233 is a wasteful number, since it uses less digits than its factorization.

130561233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3956415.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 130561233 is about 11426.3394400832. The cubic root of 130561233 is about 507.3076534140.

The spelling of 130561233 in words is "one hundred thirty million, five hundred sixty-one thousand, two hundred thirty-three".

Divisors: 1 3 11 33 3956401 11869203 43520411 130561233