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21203022103000 = 235380831262313
BaseRepresentation
bin1001101001000101101101…
…00110011100000111011000
32210001222201001210100120221
410310202312212130013120
510234342242124244000
6113032311152525424
74315603440125563
oct464426646340730
983058631710527
1021203022103000
116835173240911
122465355250874
13baa589a2166a
14534335ca34da
1526b81502e61a
hex1348b699c1d8

21203022103000 has 64 divisors (see below), whose sum is σ = 49615874680320. Its totient is φ = 8481071584000.

The previous prime is 21203022102943. The next prime is 21203022103031. The reversal of 21203022103000 is 30122030212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80699844 + ... + 80962156.

It is an arithmetic number, because the mean of its divisors is an integer number (775248041880).

Almost surely, 221203022103000 is an apocalyptic number.

21203022103000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21203022103000 is an abundant number, since it is smaller than the sum of its proper divisors (28412852577320).

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

21203022103000 is a wasteful number, since it uses less digits than its factorization.

21203022103000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343165 (or 343151 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21203022103000 its reverse (30122030212), we get a palindrome (21233144133212).

The spelling of 21203022103000 in words is "twenty-one trillion, two hundred three billion, twenty-two million, one hundred three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 80831 161662 262313 323324 404155 524626 646648 808310 1049252 1311565 1616620 2020775 2098504 2623130 3233240 4041550 5246260 6557825 8083100 10103875 10492520 13115650 16166200 20207750 26231300 32789125 40415500 52462600 65578250 80831000 131156500 262313000 21203022103 42406044206 84812088412 106015110515 169624176824 212030221030 424060442060 530075552575 848120884120 1060151105150 2120302210300 2650377762875 4240604420600 5300755525750 10601511051500 21203022103000