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130555344021 = 349188632277
BaseRepresentation
bin111100110010110110…
…1000111010010010101
3110110222121220122101220
41321211231013102111
54114334132002041
6135550514040553
712301166054064
oct1714555072225
9413877818356
10130555344021
11504060a7333
1221376879159
13c407c6656b
14646714a1db
1535e19aed66
hex1e65b47495

130555344021 has 8 divisors (see below), whose sum is σ = 174428323104. Its totient is φ = 86859630480.

The previous prime is 130555344011. The next prime is 130555344071. The reversal of 130555344021 is 120443555031.

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

It is a de Polignac number, because none of the positive numbers 2k-130555344021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130555344011) 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, 44314666 + ... + 44317611.

It is an arithmetic number, because the mean of its divisors is an integer number (21803540388).

Almost surely, 2130555344021 is an apocalyptic number.

It is an amenable number.

130555344021 is a deficient number, since it is larger than the sum of its proper divisors (43872979083).

130555344021 is an equidigital number, since it uses as much as digits as its factorization.

130555344021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88632771.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 130555344021 its reverse (120443555031), we get a palindrome (250998899052).

The spelling of 130555344021 in words is "one hundred thirty billion, five hundred fifty-five million, three hundred forty-four thousand, twenty-one".

Divisors: 1 3 491 1473 88632277 265896831 43518448007 130555344021