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21030101311000 = 2353171237064783
BaseRepresentation
bin1001100100000011100111…
…01101111101111000011000
32202110110100220210222002011
410302001303231331320120
510224024121413423000
6112421032320115304
74300242341502055
oct462016355757030
982413326728064
1021030101311000
1167788a7a33461
122437936465b34
13b9718c926ab2
14529c1036202c
152670940892ba
hex132073b7de18

21030101311000 has 64 divisors (see below), whose sum is σ = 52105168702080. Its totient is φ = 7917214604800.

The previous prime is 21030101310979. The next prime is 21030101311057. The reversal of 21030101311000 is 11310103012.

It is a super-2 number, since 2×210301013110002 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618515392 + ... + 618549391.

It is an arithmetic number, because the mean of its divisors is an integer number (814143260970).

Almost surely, 221030101311000 is an apocalyptic number.

21030101311000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21030101311000 is an abundant number, since it is smaller than the sum of its proper divisors (31075067391080).

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

21030101311000 is a wasteful number, since it uses less digits than its factorization.

21030101311000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237064821 (or 1237064807 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 21030101311000 its reverse (11310103012), we get a palindrome (21041411414012).

The spelling of 21030101311000 in words is "twenty-one trillion, thirty billion, one hundred one million, three hundred eleven thousand".

Divisors: 1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 125 136 170 200 250 340 425 500 680 850 1000 1700 2125 3400 4250 8500 17000 1237064783 2474129566 4948259132 6185323915 9896518264 12370647830 21030101311 24741295660 30926619575 42060202622 49482591320 61853239150 84120405244 105150506555 123706478300 154633097875 168240810488 210301013110 247412956600 309266195750 420602026220 525752532775 618532391500 841204052440 1051505065550 1237064783000 2103010131100 2628762663875 4206020262200 5257525327750 10515050655500 21030101311000