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2031104421 = 32293770233
BaseRepresentation
bin111100100010000…
…0011000110100101
312020112212210110200
41321010003012211
513124430320141
6533313341113
7101222050143
oct17104030645
95215783420
102031104421
119525618a5
12488267799
13264a47c48
14153a74593
15bd4a8ab6
hex791031a5

2031104421 has 12 divisors (see below), whose sum is σ = 2943834348. Its totient is φ = 1349446464.

The previous prime is 2031104417. The next prime is 2031104423. The reversal of 2031104421 is 1244011302.

It can be written as a sum of positive squares in 2 ways, for example, as 1553463396 + 477641025 = 39414^2 + 21855^2 .

It is not a de Polignac number, because 2031104421 - 22 = 2031104417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2031104394 and 2031104403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031104423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 382480 + ... + 387753.

It is an arithmetic number, because the mean of its divisors is an integer number (245319529).

Almost surely, 22031104421 is an apocalyptic number.

It is an amenable number.

2031104421 is a deficient number, since it is larger than the sum of its proper divisors (912729927).

2031104421 is a wasteful number, since it uses less digits than its factorization.

2031104421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770532 (or 770529 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2031104421 is about 45067.7758603639. The cubic root of 2031104421 is about 1266.4189987226.

Adding to 2031104421 its reverse (1244011302), we get a palindrome (3275115723).

The spelling of 2031104421 in words is "two billion, thirty-one million, one hundred four thousand, four hundred twenty-one".

Divisors: 1 3 9 293 879 2637 770233 2310699 6932097 225678269 677034807 2031104421