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20003103321210 = 23252941186927421
BaseRepresentation
bin1001000110001010101011…
…10111100010110001111010
32121211021111122220120001100
410203011111313202301322
510110212323422234320
6110313144313032230
74133114355561402
oct443052567426172
977737448816040
1020003103321210
1164122a5388209
1222b089a9b5676
13b21391202689
144d222647b802
1524a4d7538790
hex123155de2c7a

20003103321210 has 96 divisors (see below), whose sum is σ = 55113681102480. Its totient is φ = 5024609049600.

The previous prime is 20003103321209. The next prime is 20003103321263. The reversal of 20003103321210 is 1212330130002.

20003103321210 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 310 + 332 + 1 + 21 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 106570255401 + 19896533065809 = 326451^2 + 4460553^2 .

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

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 47 ways as a sum of consecutive naturals, for example, 93356701 + ... + 93570720.

Almost surely, 220003103321210 is an apocalyptic number.

20003103321210 is an abundant number, since it is smaller than the sum of its proper divisors (35110577781270).

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

20003103321210 is a wasteful number, since it uses less digits than its factorization.

20003103321210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186927504 (or 186927501 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20003103321210 its reverse (1212330130002), we get a palindrome (21215433451212).

The spelling of 20003103321210 in words is "twenty trillion, three billion, one hundred three million, three hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 29 30 41 45 58 82 87 90 123 145 174 205 246 261 290 369 410 435 522 615 738 870 1189 1230 1305 1845 2378 2610 3567 3690 5945 7134 10701 11890 17835 21402 35670 53505 107010 186927421 373854842 560782263 934637105 1121564526 1682346789 1869274210 2803911315 3364693578 5420895209 5607822630 7664024261 8411733945 10841790418 15328048522 16262685627 16823467890 22992072783 27104476045 32525371254 38320121305 45984145566 48788056881 54208952090 68976218349 76640242610 81313428135 97576113762 114960363915 137952436698 162626856270 222256703569 229920727830 243940284405 344881091745 444513407138 487880568810 666770110707 689762183490 1111283517845 1333540221414 2000310332121 2222567035690 3333850553535 4000620664242 6667701107070 10001551660605 20003103321210