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5430001220021 = 7323459674833
BaseRepresentation
bin100111100000100010101…
…0010110011100110110101
3201020002210010021101100002
41033001011102303212311
51202431120303020041
615314301431001045
71100206330553000
oct117010522634665
921202703241302
105430001220021
11180393a146574
12738454509185
1330507c103ab1
1414ab561d0537
15963a7dd559b
hex4f0454b39b5

5430001220021 has 16 divisors (see below), whose sum is σ = 6332642256000. Its totient is φ = 4654081462464.

The previous prime is 5430001219919. The next prime is 5430001220071. The reversal of 5430001220021 is 1200221000345.

It is not a de Polignac number, because 5430001220021 - 238 = 5155123313077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5430001219975 and 5430001220002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5430001220071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7709021 + ... + 8383853.

It is an arithmetic number, because the mean of its divisors is an integer number (395790141000).

Almost surely, 25430001220021 is an apocalyptic number.

It is an amenable number.

5430001220021 is a deficient number, since it is larger than the sum of its proper divisors (902641035979).

5430001220021 is an equidigital number, since it uses as much as digits as its factorization.

5430001220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698313 (or 698299 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 5430001220021 its reverse (1200221000345), we get a palindrome (6630222220366).

The spelling of 5430001220021 in words is "five trillion, four hundred thirty billion, one million, two hundred twenty thousand, twenty-one".

Divisors: 1 7 49 343 23459 164213 674833 1149491 4723831 8046437 33066817 231467719 15830907347 110816351429 775714460003 5430001220021