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23445142434 = 2327533510803
BaseRepresentation
bin10101110101011100…
…000111101110100010
32020111221011122012200
4111311130013232202
5341003424024214
614434234434030
71456664264640
oct256534075642
966457148180
1023445142434
119a4119857a
124663892916
132298377b5c
1411c5a84190
1592343dd09
hex575707ba2

23445142434 has 48 divisors (see below), whose sum is σ = 59150025792. Its totient is φ = 6572221344.

The previous prime is 23445142429. The next prime is 23445142507. The reversal of 23445142434 is 43424154432.

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 23 ways as a sum of consecutive naturals, for example, 1748724 + ... + 1762079.

It is an arithmetic number, because the mean of its divisors is an integer number (1232292204).

Almost surely, 223445142434 is an apocalyptic number.

23445142434 is an abundant number, since it is smaller than the sum of its proper divisors (35704883358).

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

23445142434 is a wasteful number, since it uses less digits than its factorization.

23445142434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510871 (or 3510868 counting only the distinct ones).

The product of its digits is 184320, while the sum is 36.

Adding to 23445142434 its reverse (43424154432), we get a palindrome (66869296866).

The spelling of 23445142434 in words is "twenty-three billion, four hundred forty-five million, one hundred forty-two thousand, four hundred thirty-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 53 63 106 126 159 318 371 477 742 954 1113 2226 3339 6678 3510803 7021606 10532409 21064818 24575621 31597227 49151242 63194454 73726863 147453726 186072559 221180589 372145118 442361178 558217677 1116435354 1302507913 1674653031 2605015826 3349306062 3907523739 7815047478 11722571217 23445142434