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101211420443 = 723628642363
BaseRepresentation
bin101111001000010101…
…0111011011100011011
3100200020121010212200112
41132100222323130123
53124240110423233
6114255035554535
710212053610350
oct1362052733433
9320217125615
10101211420443
1139a18232221
12177475bba4b
13970c7a2183
144c81cc4627
15297577e048
hex1790abb71b

101211420443 has 8 divisors (see below), whose sum is σ = 120699333888. Its totient is φ = 82980791784.

The previous prime is 101211420433. The next prime is 101211420451. The reversal of 101211420443 is 344024112101.

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 101211420443 - 214 = 101211404059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (101211420433) 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, 314321021 + ... + 314321342.

It is an arithmetic number, because the mean of its divisors is an integer number (15087416736).

Almost surely, 2101211420443 is an apocalyptic number.

101211420443 is a deficient number, since it is larger than the sum of its proper divisors (19487913445).

101211420443 is an equidigital number, since it uses as much as digits as its factorization.

101211420443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628642393.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 101211420443 its reverse (344024112101), we get a palindrome (445235532544).

The spelling of 101211420443 in words is "one hundred one billion, two hundred eleven million, four hundred twenty thousand, four hundred forty-three".

Divisors: 1 7 23 161 628642363 4400496541 14458774349 101211420443