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12104620432 = 241780955009
BaseRepresentation
bin10110100010111110…
…11101100110010000
31011020120222102121021
423101133131212100
5144242240323212
65321044005224
7605651401402
oct132137354620
934216872537
1012104620432
115151819543
122419990814
1311aba353c8
1482b892b72
154aca39307
hex2d17dd990

12104620432 has 40 divisors (see below), whose sum is σ = 24863419800. Its totient is φ = 5689147392.

The previous prime is 12104620403. The next prime is 12104620433. The reversal of 12104620432 is 23402640121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7573176576 + 4531443856 = 87024^2 + 67316^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12104620397 and 12104620406.

It is not an unprimeable number, because it can be changed into a prime (12104620433) 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, 192544 + ... + 247552.

It is an arithmetic number, because the mean of its divisors is an integer number (621585495).

Almost surely, 212104620432 is an apocalyptic number.

It is an amenable number.

12104620432 is an abundant number, since it is smaller than the sum of its proper divisors (12758799368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12104620432 is a wasteful number, since it uses less digits than its factorization.

12104620432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55843 (or 55837 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The spelling of 12104620432 in words is "twelve billion, one hundred four million, six hundred twenty thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 17 34 68 136 272 809 1618 3236 6472 12944 13753 27506 55009 55012 110018 110024 220036 220048 440072 880144 935153 1870306 3740612 7481224 14962448 44502281 89004562 178009124 356018248 712036496 756538777 1513077554 3026155108 6052310216 12104620432