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130212553 = 457499571
BaseRepresentation
bin1111100001011…
…10001011001001
3100002000111001011
413300232023021
5231313300203
620530523521
73140534302
oct760561311
9302014034
10130212553
1167557689
12377365a1
1320c91463
14134177a9
15b67176d
hex7c2e2c9

130212553 has 8 divisors (see below), whose sum is σ = 130988000. Its totient is φ = 129440160.

The previous prime is 130212547. The next prime is 130212601. The reversal of 130212553 is 355212031.

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 130212553 - 25 = 130212521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130212653) 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, 227758 + ... + 228328.

It is an arithmetic number, because the mean of its divisors is an integer number (16373500).

Almost surely, 2130212553 is an apocalyptic number.

It is an amenable number.

130212553 is a deficient number, since it is larger than the sum of its proper divisors (775447).

130212553 is an equidigital number, since it uses as much as digits as its factorization.

130212553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 130212553 is about 11411.0715097225. The cubic root of 130212553 is about 506.8556414098.

Adding to 130212553 its reverse (355212031), we get a palindrome (485424584).

The spelling of 130212553 in words is "one hundred thirty million, two hundred twelve thousand, five hundred fifty-three".

Divisors: 1 457 499 571 228043 260947 284929 130212553