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143421363620 = 2257171068181
BaseRepresentation
bin1000010110010010010…
…1000101010110100100
3111201012021121011022022
42011210211011112210
54322211332113440
6145515321322312
713235054322233
oct2054445052644
9451167534268
10143421363620
1155908691287
1223967636398
13106a8657b02
146d27b9ab1a
153ae6298cb5
hex21649455a4

143421363620 has 12 divisors (see below), whose sum is σ = 301184863644. Its totient is φ = 57368545440.

The previous prime is 143421363611. The next prime is 143421363629. The reversal of 143421363620 is 26363124341.

It is an interprime number because it is at equal distance from previous prime (143421363611) and next prime (143421363629).

It can be written as a sum of positive squares in 2 ways, for example, as 66016108096 + 77405255524 = 256936^2 + 278218^2 .

It is not an unprimeable number, because it can be changed into a prime (143421363629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3585534071 + ... + 3585534110.

It is an arithmetic number, because the mean of its divisors is an integer number (25098738637).

Almost surely, 2143421363620 is an apocalyptic number.

143421363620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143421363620 is an abundant number, since it is smaller than the sum of its proper divisors (157763500024).

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

143421363620 is a wasteful number, since it uses less digits than its factorization.

143421363620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7171068190 (or 7171068188 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 143421363620 its reverse (26363124341), we get a palindrome (169784487961).

The spelling of 143421363620 in words is "one hundred forty-three billion, four hundred twenty-one million, three hundred sixty-three thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 7171068181 14342136362 28684272724 35855340905 71710681810 143421363620