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10021112021000 = 2353239238917551
BaseRepresentation
bin1001000111010011100011…
…0100101000000000001000
31022111000020112020001010002
42101310320310220000020
52303141214134133000
633151345120542132
72053000332512033
oct221647064500010
938430215201102
1010021112021000
113213a25538963
12115a1aa181948
13578caa032542
1426904ada201a
15125a1361b8d5
hex91d38d28008

10021112021000 has 128 divisors (see below), whose sum is σ = 23558715648000. Its totient is φ = 3989774880000.

The previous prime is 10021112020993. The next prime is 10021112021023. The reversal of 10021112021000 is 12021112001.

It is a super-2 number, since 2×100211120210002 (a number of 27 digits) contains 22 as substring.

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, 570962225 + ... + 570979775.

It is an arithmetic number, because the mean of its divisors is an integer number (184052466000).

Almost surely, 210021112021000 is an apocalyptic number.

10021112021000 is a gapful number since it is divisible by the number (10) 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 10021112021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11779357824000).

10021112021000 is an abundant number, since it is smaller than the sum of its proper divisors (13537603627000).

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

10021112021000 is a wasteful number, since it uses less digits than its factorization.

10021112021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20200 (or 20186 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10021112021000 its reverse (12021112001), we get a palindrome (10033133133001).

The spelling of 10021112021000 in words is "ten trillion, twenty-one billion, one hundred twelve million, twenty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 239 250 478 500 956 1000 1195 1912 2389 2390 4778 4780 5975 9556 9560 11945 11950 17551 19112 23890 23900 29875 35102 47780 47800 59725 59750 70204 87755 95560 119450 119500 140408 175510 238900 239000 298625 351020 438775 477800 570971 597250 702040 877550 1141942 1194500 1755100 2193875 2283884 2389000 2854855 3510200 4194689 4387750 4567768 5709710 8389378 8775500 11419420 14274275 16778756 17551000 20973445 22838840 28548550 33557512 41929339 41946890 57097100 71371375 83858678 83893780 104867225 114194200 142742750 167717356 167787560 209646695 209734450 285485500 335434712 419293390 419468900 524336125 570971000 838586780 838937800 1048233475 1048672250 1677173560 2096466950 2097344500 4192933900 4194689000 5241167375 8385867800 10021112021 10482334750 20042224042 20964669500 40084448084 41929339000 50105560105 80168896168 100211120210 200422240420 250527800525 400844480840 501055601050 1002111202100 1252639002625 2004222404200 2505278005250 5010556010500 10021112021000