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130212835 = 5229113723
BaseRepresentation
bin1111100001011…
…10001111100011
3100002000111102121
413300232033203
5231313302320
620530525111
73140535154
oct760561743
9302014377
10130212835
1167557915
1237736797
1320c9161c
141341792b
15b6718aa
hex7c2e3e3

130212835 has 8 divisors (see below), whose sum is σ = 156939120. Its totient is φ = 103714464.

The previous prime is 130212829. The next prime is 130212839. The reversal of 130212835 is 538212031.

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 130212835 - 23 = 130212827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130212839) 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, 55717 + ... + 58006.

It is an arithmetic number, because the mean of its divisors is an integer number (19617390).

Almost surely, 2130212835 is an apocalyptic number.

130212835 is a deficient number, since it is larger than the sum of its proper divisors (26726285).

130212835 is a wasteful number, since it uses less digits than its factorization.

130212835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113957.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 130212835 is about 11411.0838661365. The cubic root of 130212835 is about 506.8560073069.

Adding to 130212835 its reverse (538212031), we get a palindrome (668424866).

The spelling of 130212835 in words is "one hundred thirty million, two hundred twelve thousand, eight hundred thirty-five".

Divisors: 1 5 229 1145 113723 568615 26042567 130212835