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130502242 = 21340112517
BaseRepresentation
bin1111100011101…
…00111001100010
3100002120012102101
413301310321202
5231402032432
620541041014
73143152003
oct761647142
9302505371
10130502242
11677352a2
123785616a
1321063280
14134911aa
15b6cc4e7
hex7c74e62

130502242 has 16 divisors (see below), whose sum is σ = 211353912. Its totient is φ = 60076800.

The previous prime is 130502209. The next prime is 130502269. The reversal of 130502242 is 242205031.

It can be written as a sum of positive squares in 4 ways, for example, as 130439241 + 63001 = 11421^2 + 251^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4168 + ... + 16684.

Almost surely, 2130502242 is an apocalyptic number.

130502242 is a deficient number, since it is larger than the sum of its proper divisors (80851670).

130502242 is a wasteful number, since it uses less digits than its factorization.

130502242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12933.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 130502242 is about 11423.7577880486. The cubic root of 130502242 is about 507.2312369224.

Adding to 130502242 its reverse (242205031), we get a palindrome (372707273).

The spelling of 130502242 in words is "one hundred thirty million, five hundred two thousand, two hundred forty-two".

Divisors: 1 2 13 26 401 802 5213 10426 12517 25034 162721 325442 5019317 10038634 65251121 130502242