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12103042324 = 223781777313
BaseRepresentation
bin10110100010110010…
…11100010100010100
31011020111000020211211
423101121130110110
5144241334323244
65320550111204
7605632106452
oct132131342424
934214006754
1012103042324
11515094091a
12241934b504
1311ab602009
1482b5a19d2
154ac826934
hex2d165c514

12103042324 has 12 divisors (see below), whose sum is σ = 21752765524. Its totient is φ = 5887966464.

The previous prime is 12103042307. The next prime is 12103042327. The reversal of 12103042324 is 42324030121.

It can be written as a sum of positive squares in 2 ways, for example, as 6390403600 + 5712638724 = 79940^2 + 75582^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12103042295 and 12103042304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103042327) 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, 40888509 + ... + 40888804.

Almost surely, 212103042324 is an apocalyptic number.

It is an amenable number.

12103042324 is a deficient number, since it is larger than the sum of its proper divisors (9649723200).

12103042324 is a wasteful number, since it uses less digits than its factorization.

12103042324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81777354 (or 81777352 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12103042324 its reverse (42324030121), we get a palindrome (54427072445).

The spelling of 12103042324 in words is "twelve billion, one hundred three million, forty-two thousand, three hundred twenty-four".

Divisors: 1 2 4 37 74 148 81777313 163554626 327109252 3025760581 6051521162 12103042324