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101443441231 = 119222131021
BaseRepresentation
bin101111001111010000…
…0000001001001001111
3100200211202201202101001
41132132200001021033
53130224010104411
6114334045001131
710220602010656
oct1363640011117
9320752652331
10101443441231
113a0271a5940
12177b12531a7
13974888b192
144ca4a4019d
15298ad10dc1
hex179e80124f

101443441231 has 4 divisors (see below), whose sum is σ = 110665572264. Its totient is φ = 92221310200.

The previous prime is 101443441189. The next prime is 101443441249. The reversal of 101443441231 is 132144344101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101443441231 - 29 = 101443440719 is a prime.

It is a super-2 number, since 2×1014434412312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101443441231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101443441331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4611065500 + ... + 4611065521.

It is an arithmetic number, because the mean of its divisors is an integer number (27666393066).

Almost surely, 2101443441231 is an apocalyptic number.

101443441231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101443441231 is a deficient number, since it is larger than the sum of its proper divisors (9222131033).

101443441231 is an equidigital number, since it uses as much as digits as its factorization.

101443441231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9222131032.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 101443441231 its reverse (132144344101), we get a palindrome (233587785332).

The spelling of 101443441231 in words is "one hundred one billion, four hundred forty-three million, four hundred forty-one thousand, two hundred thirty-one".

Divisors: 1 11 9222131021 101443441231