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20011111200230 = 258991924466153
BaseRepresentation
bin1001000110011001100110…
…01011001011010111100110
32121212001011202010221221012
410203030303023023113212
510110330223431401410
6110320551053422222
74133516663455433
oct443146313132746
977761152127835
1020011111200230
116415734647247
1222b235479a972
13b22069273b27
144d2785bd6b8a
1524a80558d605
hex1233332cb5e6

20011111200230 has 32 divisors (see below), whose sum is σ = 36464355921600. Its totient is φ = 7905894492672.

The previous prime is 20011111200229. The next prime is 20011111200239. The reversal of 20011111200230 is 3200211111002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011111200239) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11415167 + ... + 13050986.

It is an arithmetic number, because the mean of its divisors is an integer number (1139511122550).

Almost surely, 220011111200230 is an apocalyptic number.

20011111200230 is a deficient number, since it is larger than the sum of its proper divisors (16453244721370).

20011111200230 is a wasteful number, since it uses less digits than its factorization.

20011111200230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24467168.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20011111200230 its reverse (3200211111002), we get a palindrome (23211322311232).

The spelling of 20011111200230 in words is "twenty trillion, eleven billion, one hundred eleven million, two hundred thousand, two hundred thirty".

Divisors: 1 2 5 10 89 178 445 890 919 1838 4595 9190 81791 163582 408955 817910 24466153 48932306 122330765 244661530 2177487617 4354975234 10887438085 21774876170 22484394607 44968789214 112421973035 224843946070 2001111120023 4002222240046 10005555600115 20011111200230