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130627206821 = 421911340591
BaseRepresentation
bin111100110100111111…
…1001111111010100101
3110111011122010122122002
41321221333033322211
54120011031104241
6140002002215045
712303030636446
oct1715177177245
9414148118562
10130627206821
115044271a981
1221396954485
13c419b07c27
1464728d52cd
1535e7e5789b
hex1e69fcfea5

130627206821 has 8 divisors (see below), whose sum is σ = 131081599488. Its totient is φ = 130173498000.

The previous prime is 130627206811. The next prime is 130627206823. The reversal of 130627206821 is 128602726031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130627206821 - 214 = 130627190437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130627206823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213236 + ... + 553826.

It is an arithmetic number, because the mean of its divisors is an integer number (16385199936).

Almost surely, 2130627206821 is an apocalyptic number.

It is an amenable number.

130627206821 is a deficient number, since it is larger than the sum of its proper divisors (454392667).

130627206821 is an equidigital number, since it uses as much as digits as its factorization.

130627206821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341923.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 130627206821 in words is "one hundred thirty billion, six hundred twenty-seven million, two hundred six thousand, eight hundred twenty-one".

Divisors: 1 421 911 340591 383531 143388811 310278401 130627206821