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10130818 = 25065409
BaseRepresentation
bin100110101001…
…010110000010
3201001200212111
4212221112002
510043141233
61001045534
7152052625
oct46512602
921050774
1010130818
11579a485
1234868aa
132139289
1414b9dbc
15d51acd
hex9a9582

10130818 has 4 divisors (see below), whose sum is σ = 15196230. Its totient is φ = 5065408.

The previous prime is 10130779. The next prime is 10130821. The reversal of 10130818 is 81803101.

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

It can be written as a sum of positive squares in only one way, i.e., 8048569 + 2082249 = 2837^2 + 1443^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2532703 + ... + 2532706.

Almost surely, 210130818 is an apocalyptic number.

10130818 is a deficient number, since it is larger than the sum of its proper divisors (5065412).

10130818 is an equidigital number, since it uses as much as digits as its factorization.

10130818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065411.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 10130818 is about 3182.8945945475. The cubic root of 10130818 is about 216.3788646884.

Adding to 10130818 its reverse (81803101), we get a palindrome (91933919).

The spelling of 10130818 in words is "ten million, one hundred thirty thousand, eight hundred eighteen".

Divisors: 1 2 5065409 10130818