Search a number
-
+
23432044020 = 22357211724553
BaseRepresentation
bin10101110100101010…
…001001110111110100
32020111000112011120020
4111310222021313310
5340442100402040
614433050005140
71456445042100
oct256452116764
966430464506
1023432044020
119a34861540
12465b4167b0
13229573cc08
1411c4034900
15922202cd0
hex574a89df4

23432044020 has 144 divisors (see below), whose sum is σ = 83259949248. Its totient is φ = 4868989440.

The previous prime is 23432044001. The next prime is 23432044021. The reversal of 23432044020 is 2044023432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23432044021) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 329937 + ... + 394616.

It is an arithmetic number, because the mean of its divisors is an integer number (578194092).

Almost surely, 223432044020 is an apocalyptic number.

23432044020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23432044020 is an abundant number, since it is smaller than the sum of its proper divisors (59827905228).

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

23432044020 is a wasteful number, since it uses less digits than its factorization.

23432044020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724590 (or 724581 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 23432044020 its reverse (2044023432), we get a palindrome (25476067452).

The spelling of 23432044020 in words is "twenty-three billion, four hundred thirty-two million, forty-four thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 33 35 42 44 49 55 60 66 70 77 84 98 105 110 132 140 147 154 165 196 210 220 231 245 294 308 330 385 420 462 490 539 588 660 735 770 924 980 1078 1155 1470 1540 1617 2156 2310 2695 2940 3234 4620 5390 6468 8085 10780 16170 32340 724553 1449106 2173659 2898212 3622765 4347318 5071871 7245530 7970083 8694636 10143742 10868295 14491060 15215613 15940166 20287484 21736590 23910249 25359355 30431226 31880332 35503097 39850415 43473180 47820498 50718710 55790581 60862452 71006194 76078065 79700830 95640996 101437420 106509291 111581162 119551245 142012388 152156130 159401660 167371743 177515485 213018582 223162324 239102490 278952905 304312260 334743486 355030970 390534067 426037164 478204980 532546455 557905810 669486972 710061940 781068134 836858715 1065092910 1115811620 1171602201 1562136268 1673717430 1952670335 2130185820 2343204402 3347434860 3905340670 4686408804 5858011005 7810681340 11716022010 23432044020