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20110211023230 = 23352310132062963
BaseRepresentation
bin1001001001010010001011…
…11111000000000101111110
32122012111222011221120111000
410210221011333000011332
510113441203010220410
6110434300422511130
74143625530200256
oct444510577000576
978174864846430
1020110211023230
11645376893a009
1223095b0b954a6
13b2b500427453
144d74a7492966
1524d1a5763dc0
hex124a45fc017e

20110211023230 has 128 divisors (see below), whose sum is σ = 56512897827840. Its totient is φ = 5078773180800.

The previous prime is 20110211023093. The next prime is 20110211023247. The reversal of 20110211023230 is 3232011201102.

20110211023230 is a `hidden beast` number, since 20 + 110 + 211 + 0 + 2 + 323 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15404272 + ... + 16658691.

It is an arithmetic number, because the mean of its divisors is an integer number (441507014280).

Almost surely, 220110211023230 is an apocalyptic number.

20110211023230 is an abundant number, since it is smaller than the sum of its proper divisors (36402686804610).

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

20110211023230 is a wasteful number, since it uses less digits than its factorization.

20110211023230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32063103 (or 32063097 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20110211023230 its reverse (3232011201102), we get a palindrome (23342222224332).

The spelling of 20110211023230 in words is "twenty trillion, one hundred ten billion, two hundred eleven million, twenty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 23 27 30 45 46 54 69 90 101 115 135 138 202 207 230 270 303 345 414 505 606 621 690 909 1010 1035 1242 1515 1818 2070 2323 2727 3030 3105 4545 4646 5454 6210 6969 9090 11615 13635 13938 20907 23230 27270 34845 41814 62721 69690 104535 125442 209070 313605 627210 32062963 64125926 96188889 160314815 192377778 288566667 320629630 480944445 577133334 737448149 865700001 961888890 1442833335 1474896298 1731400002 2212344447 2885666670 3238359263 3687240745 4328500005 4424688894 6476718526 6637033341 7374481490 8657000010 9715077789 11061722235 13274066682 16191796315 19430155578 19911100023 22123444470 29145233367 32383592630 33185166705 39822200046 48575388945 58290466734 66370333410 74482263049 87435700101 97150777890 99555500115 145726166835 148964526098 174871400202 199111000230 223446789147 291452333670 372411315245 437178500505 446893578294 670340367441 744822630490 874357001010 1117233945735 1340680734882 2011021102323 2234467891470 3351701837205 4022042204646 6703403674410 10055105511615 20110211023230