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1021112320230 = 2325127233383417
BaseRepresentation
bin11101101101111110000…
…10011000000011100110
310121121200001222102020100
432312333002120003212
5113212214223221410
62101031552444530
7133526054341032
oct16667702300346
93547601872210
101021112320230
11364062314632
12145a94549746
13753a1248b12
14375ca3571c2
151b864e9d8c0
hexedbf0980e6

1021112320230 has 96 divisors (see below), whose sum is σ = 2687287809024. Its totient is φ = 268992396288.

The previous prime is 1021112320223. The next prime is 1021112320399. The reversal of 1021112320230 is 320232111201.

1021112320230 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 112 + 320 + 230 = 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 47 ways as a sum of consecutive naturals, for example, 2471482 + ... + 2854898.

It is an arithmetic number, because the mean of its divisors is an integer number (27992581344).

Almost surely, 21021112320230 is an apocalyptic number.

1021112320230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021112320230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1343643904512).

1021112320230 is an abundant number, since it is smaller than the sum of its proper divisors (1666175488794).

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

1021112320230 is a wasteful number, since it uses less digits than its factorization.

1021112320230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383790 (or 383787 counting only the distinct ones).

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

Adding to 1021112320230 its reverse (320232111201), we get a palindrome (1341344431431).

The spelling of 1021112320230 in words is "one trillion, twenty-one billion, one hundred twelve million, three hundred twenty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 127 233 254 381 466 635 699 762 1143 1165 1270 1398 1905 2097 2286 2330 3495 3810 4194 5715 6990 10485 11430 20970 29591 59182 88773 147955 177546 266319 295910 383417 443865 532638 766834 887730 1150251 1331595 1917085 2300502 2663190 3450753 3834170 5751255 6901506 11502510 17253765 34507530 48693959 89336161 97387918 146081877 178672322 243469795 268008483 292163754 438245631 446680805 486939590 536016966 730409385 804025449 876491262 893361610 1340042415 1460818770 1608050898 2191228155 2680084830 4020127245 4382456310 8040254490 11345692447 22691384894 34037077341 56728462235 68074154682 102111232023 113456924470 170185386705 204222464046 340370773410 510556160115 1021112320230