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21233023301020 = 22531131767316001
BaseRepresentation
bin1001101001111101100101…
…10011111011010110011100
32210011212010220100010100011
410310332302303323112130
510240340212431113040
6113054152150413004
74321015053114316
oct464766263732634
983155126303304
1021233023301020
116846969122a43
12246b128661164
13bb035b415b3b
145359805407b6
1526c4bdce33ea
hex134fb2cfb59c

21233023301020 has 96 divisors (see below), whose sum is σ = 44943321661056. Its totient is φ = 8426127360000.

The previous prime is 21233023300961. The next prime is 21233023301053. The reversal of 21233023301020 is 2010332033212.

It is a junction number, because it is equal to n+sod(n) for n = 21233023300982 and 21233023301000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1326973020 + ... + 1326989020.

It is an arithmetic number, because the mean of its divisors is an integer number (468159600636).

Almost surely, 221233023301020 is an apocalyptic number.

21233023301020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21233023301020 is an abundant number, since it is smaller than the sum of its proper divisors (23710298360036).

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

21233023301020 is a wasteful number, since it uses less digits than its factorization.

21233023301020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17311 (or 17309 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21233023301020 its reverse (2010332033212), we get a palindrome (23243355334232).

The spelling of 21233023301020 in words is "twenty-one trillion, two hundred thirty-three billion, twenty-three million, three hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 311 317 622 634 673 1244 1268 1346 1555 1585 2692 3110 3170 3365 6220 6340 6730 13460 16001 32002 64004 80005 98587 160010 197174 209303 213341 320020 394348 418606 426682 492935 837212 853364 985870 1046515 1066705 1971740 2093030 2133410 4186060 4266820 4976311 5072317 9952622 10144634 10768673 19905244 20289268 21537346 24881555 25361585 43074692 49763110 50723170 53843365 66349051 99526220 101446340 107686730 132698102 215373460 265396204 331745255 663490510 1326981020 1577490587 3154981174 3349057303 3413669341 6309962348 6698114606 6827338682 7887452935 13396229212 13654677364 15774905870 16745286515 17068346705 31549811740 33490573030 34136693410 66981146060 68273386820 1061651165051 2123302330102 4246604660204 5308255825255 10616511650510 21233023301020