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130021032220 = 22526992408689
BaseRepresentation
bin111100100010111011…
…0111000000100011100
3110102121101111210101221
41321011312320010130
54112240341012340
6135421505543124
712252020352532
oct1710566700434
9412541453357
10130021032220
1150161534a32
1221247944aa4
13c351359a31
1464161c2152
1535aeb1a44a
hex1e45db811c

130021032220 has 24 divisors (see below), whose sum is σ = 273145446000. Its totient is φ = 51989121792.

The previous prime is 130021032217. The next prime is 130021032233. The reversal of 130021032220 is 22230120031.

It is a junction number, because it is equal to n+sod(n) for n = 130021032194 and 130021032203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1150365 + ... + 1258324.

It is an arithmetic number, because the mean of its divisors is an integer number (11381060250).

Almost surely, 2130021032220 is an apocalyptic number.

130021032220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130021032220 is an abundant number, since it is smaller than the sum of its proper divisors (143124413780).

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

130021032220 is a wasteful number, since it uses less digits than its factorization.

130021032220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411397 (or 2411395 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 130021032220 its reverse (22230120031), we get a palindrome (152251152251).

The spelling of 130021032220 in words is "one hundred thirty billion, twenty-one million, thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2699 5398 10796 13495 26990 53980 2408689 4817378 9634756 12043445 24086890 48173780 6501051611 13002103222 26004206444 32505258055 65010516110 130021032220