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12103102434 = 2317419283193
BaseRepresentation
bin10110100010110011…
…01010111111100010
31011020111010022022010
423101121222333202
5144241343234214
65320551253350
7605632446633
oct132131527742
934214108263
1012103102434
115150981aa5
12241937a256
1311ab623497
1482b5b988a
154ac839659
hex2d166afe2

12103102434 has 32 divisors (see below), whose sum is σ = 25691359680. Its totient is φ = 3787976192.

The previous prime is 12103102421. The next prime is 12103102471. The reversal of 12103102434 is 43420130121.

It is a self number, because there is not a number n which added to its sum of digits gives 12103102434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98859 + ... + 184334.

It is an arithmetic number, because the mean of its divisors is an integer number (802854990).

Almost surely, 212103102434 is an apocalyptic number.

12103102434 is an abundant number, since it is smaller than the sum of its proper divisors (13588257246).

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

12103102434 is a wasteful number, since it uses less digits than its factorization.

12103102434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283634.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12103102434 its reverse (43420130121), we get a palindrome (55523232555).

The spelling of 12103102434 in words is "twelve billion, one hundred three million, one hundred two thousand, four hundred thirty-four".

Divisors: 1 2 3 6 17 34 51 102 419 838 1257 2514 7123 14246 21369 42738 283193 566386 849579 1699158 4814281 9628562 14442843 28885686 118657867 237315734 355973601 711947202 2017183739 4034367478 6051551217 12103102434