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101043444431 = 707914273689
BaseRepresentation
bin101111000011010101…
…0001001101011001111
3100122210220001210220202
41132012222021223033
53123414110210211
6114230235404115
710204644051356
oct1360652115317
9318726053822
10101043444431
1139941432376
12176bb2b363b
1396b3a4b197
144c6787a99d
152965b4d53b
hex1786a89acf

101043444431 has 4 divisors (see below), whose sum is σ = 101057725200. Its totient is φ = 101029163664.

The previous prime is 101043444421. The next prime is 101043444473. The reversal of 101043444431 is 134444340101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134444340101 = 199675599699.

It is a cyclic number.

It is not a de Polignac number, because 101043444431 - 26 = 101043444367 is a prime.

It is a super-2 number, since 2×1010434444312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101043444394 and 101043444403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101043444401) 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, 7129766 + ... + 7143923.

It is an arithmetic number, because the mean of its divisors is an integer number (25264431300).

Almost surely, 2101043444431 is an apocalyptic number.

101043444431 is a deficient number, since it is larger than the sum of its proper divisors (14280769).

101043444431 is an equidigital number, since it uses as much as digits as its factorization.

101043444431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14280768.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 101043444431 its reverse (134444340101), we get a palindrome (235487784532).

The spelling of 101043444431 in words is "one hundred one billion, forty-three million, four hundred forty-four thousand, four hundred thirty-one".

Divisors: 1 7079 14273689 101043444431