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130221021330 = 2345160766693
BaseRepresentation
bin111100101000111000…
…1110001100010010010
3110110010022211021220000
41321101301301202102
54113143040140310
6135453412230430
712256666263261
oct1712161614222
9413108737800
10130221021330
115025440a794
12212a290b416
13c38390c09a
1464349a05d8
1535c24714c0
hex1e51c71892

130221021330 has 40 divisors (see below), whose sum is σ = 350149859532. Its totient is φ = 34725605472.

The previous prime is 130221021319. The next prime is 130221021341. The reversal of 130221021330 is 33120122031.

130221021330 is a `hidden beast` number, since 1 + 302 + 2 + 10 + 21 + 330 = 666.

It is an interprime number because it is at equal distance from previous prime (130221021319) and next prime (130221021341).

It can be written as a sum of positive squares in 2 ways, for example, as 129269730681 + 951290649 = 359541^2 + 30843^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 80382537 + ... + 80384156.

Almost surely, 2130221021330 is an apocalyptic number.

130221021330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130221021330 is an abundant number, since it is smaller than the sum of its proper divisors (219928838202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130221021330 is a wasteful number, since it uses less digits than its factorization.

130221021330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160766712 (or 160766703 counting only the distinct ones).

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

Adding to 130221021330 its reverse (33120122031), we get a palindrome (163341143361).

The spelling of 130221021330 in words is "one hundred thirty billion, two hundred twenty-one million, twenty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 160766693 321533386 482300079 803833465 964600158 1446900237 1607666930 2411500395 2893800474 4340700711 4823000790 7234501185 8681401422 13022102133 14469002370 21703503555 26044204266 43407007110 65110510665 130221021330