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130221629839840 = 25571129675440009
BaseRepresentation
bin11101100110111110010101…
…111111010001100111100000
3122002002001210021122200110111
4131212332111333101213200
5114032022344214333330
61140542554010341104
736300126245233150
oct3546762577214740
9562061707580414
10130221629839840
11385467571a0220
12127319a842a794
135787b01b31b56
142422a90bc6760
15100c56b8ce32a
hex766f95fd19e0

130221629839840 has 384 divisors, whose sum is σ = 402710449075200. Its totient is φ = 38604037570560.

The previous prime is 130221629839817. The next prime is 130221629839841. The reversal of 130221629839840 is 48938926122031.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130221629839841) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21217756 + ... + 26657764.

It is an arithmetic number, because the mean of its divisors is an integer number (1048725127800).

Almost surely, 2130221629839840 is an apocalyptic number.

130221629839840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130221629839840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201355224537600).

130221629839840 is an abundant number, since it is smaller than the sum of its proper divisors (272488819235360).

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

130221629839840 is a wasteful number, since it uses less digits than its factorization.

130221629839840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5440138 (or 5440130 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 58.

The spelling of 130221629839840 in words is "one hundred thirty trillion, two hundred twenty-one billion, six hundred twenty-nine million, eight hundred thirty-nine thousand, eight hundred forty".