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23021330420320 = 2551311321783101
BaseRepresentation
bin1010011110000000100100…
…01110001101001001100000
310000111211002002200101221021
411033000102032031021200
511004140141041422240
6120543504142335224
74564144012612231
oct517002216151140
9100454062611837
1023021330420320
117376322948261
1226b9830b8a514
13cacb9601790b
14598349dd9088
1529dc8704454a
hex14f01238d260

23021330420320 has 96 divisors (see below), whose sum is σ = 54807873807456. Its totient is φ = 9137436672000.

The previous prime is 23021330420293. The next prime is 23021330420401. The reversal of 23021330420320 is 2302403312032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276986770 + ... + 277069870.

It is an arithmetic number, because the mean of its divisors is an integer number (570915352161).

Almost surely, 223021330420320 is an apocalyptic number.

23021330420320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23021330420320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27403936903728).

23021330420320 is an abundant number, since it is smaller than the sum of its proper divisors (31786543387136).

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

23021330420320 is a wasteful number, since it uses less digits than its factorization.

23021330420320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96464 (or 96456 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 23021330420320 its reverse (2302403312032), we get a palindrome (25323733732352).

The spelling of 23021330420320 in words is "twenty-three trillion, twenty-one billion, three hundred thirty million, four hundred twenty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 131 160 262 524 655 1048 1310 2096 2620 4192 5240 10480 13217 20960 26434 52868 66085 83101 105736 132170 166202 211472 264340 332404 415505 422944 528680 664808 831010 1057360 1329616 1662020 1731427 2114720 2659232 3324040 3462854 6648080 6925708 8657135 10886231 13296160 13851416 17314270 21772462 27702832 34628540 43544924 54431155 55405664 69257080 87089848 108862310 138514160 174179696 217724620 277028320 348359392 435449240 870898480 1098345917 1741796960 2196691834 4393383668 5491729585 8786767336 10983459170 17573534672 21966918340 35147069344 43933836680 87867673360 143883315127 175735346720 287766630254 575533260508 719416575635 1151066521016 1438833151270 2302133042032 2877666302540 4604266084064 5755332605080 11510665210160 23021330420320