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130221440043040 = 255813884000269
BaseRepresentation
bin11101100110111110001010…
…101011010000100000100000
3122002002001022001112000012101
4131212332022223100200200
5114032022002122334130
61140542523110340144
736300121452052543
oct3546761253204040
9562061261460171
10130221440043040
113854666a047065
121273195495a654
135787aa170aa58
142422a738dc85a
15100c559ddd1ca
hex766f8aad0820

130221440043040 has 24 divisors (see below), whose sum is σ = 307648152102060. Its totient is φ = 52088576017152.

The previous prime is 130221440043011. The next prime is 130221440043077. The reversal of 130221440043040 is 40340044122031.

It can be written as a sum of positive squares in 2 ways, for example, as 128999893427344 + 1221546615696 = 11357812^2 + 1105236^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406941999975 + ... + 406942000294.

Almost surely, 2130221440043040 is an apocalyptic number.

130221440043040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130221440043040 is an abundant number, since it is smaller than the sum of its proper divisors (177426712059020).

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

130221440043040 is an equidigital number, since it uses as much as digits as its factorization.

130221440043040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813884000284 (or 813884000276 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 130221440043040 its reverse (40340044122031), we get a palindrome (170561484165071).

The spelling of 130221440043040 in words is "one hundred thirty trillion, two hundred twenty-one billion, four hundred forty million, forty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 813884000269 1627768000538 3255536001076 4069420001345 6511072002152 8138840002690 13022144004304 16277680005380 26044288008608 32555360010760 65110720021520 130221440043040