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130021303221 = 338535645491
BaseRepresentation
bin111100100010111011…
…1111010001110110101
3110102121102000120011000
41321011313322032311
54112240423200341
6135421515433513
712252022561605
oct1710567721665
9412542016130
10130021303221
11501616aa5a7
1221247a55899
13c3514231a4
146416252c05
1535aeb708b6
hex1e45dfa3b5

130021303221 has 16 divisors (see below), whose sum is σ = 192850006720. Its totient is φ = 86579234640.

The previous prime is 130021303213. The next prime is 130021303301. The reversal of 130021303221 is 122303120031.

130021303221 is a `hidden beast` number, since 130 + 0 + 213 + 0 + 322 + 1 = 666.

It is not a de Polignac number, because 130021303221 - 23 = 130021303213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130021303194 and 130021303203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130021303921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2799715 + ... + 2845776.

It is an arithmetic number, because the mean of its divisors is an integer number (12053125420).

Almost surely, 2130021303221 is an apocalyptic number.

It is an amenable number.

130021303221 is a deficient number, since it is larger than the sum of its proper divisors (62828703499).

130021303221 is an equidigital number, since it uses as much as digits as its factorization.

130021303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646353 (or 5646347 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 130021303221 its reverse (122303120031), we get a palindrome (252324423252).

The spelling of 130021303221 in words is "one hundred thirty billion, twenty-one million, three hundred three thousand, two hundred twenty-one".

Divisors: 1 3 9 27 853 2559 7677 23031 5645491 16936473 50809419 152428257 4815603823 14446811469 43340434407 130021303221