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20112110102110 = 25131229125881643
BaseRepresentation
bin1001001001010101101110…
…01011011010011001011110
32122012200212112101202221211
410210222313023122121132
510114004100141231420
6110435213102415034
74144023560122345
oct444526713323136
978180775352854
1020112110102110
116454552916094
122309a40b9147a
13b2b7439c7970
144d760779ab5c
1524d26733de5a
hex124ab72da65e

20112110102110 has 32 divisors (see below), whose sum is σ = 39018274374240. Its totient is φ = 7419967506048.

The previous prime is 20112110102093. The next prime is 20112110102113. The reversal of 20112110102110 is 1120101121102.

It is a happy number.

It is a super-2 number, since 2×201121101021102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112110102113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62781052 + ... + 63100591.

It is an arithmetic number, because the mean of its divisors is an integer number (1219321074195).

Almost surely, 220112110102110 is an apocalyptic number.

20112110102110 is a deficient number, since it is larger than the sum of its proper divisors (18906164272130).

20112110102110 is a wasteful number, since it uses less digits than its factorization.

20112110102110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125882892.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20112110102110 its reverse (1120101121102), we get a palindrome (21232211223212).

The spelling of 20112110102110 in words is "twenty trillion, one hundred twelve billion, one hundred ten million, one hundred two thousand, one hundred ten".

Divisors: 1 2 5 10 13 26 65 130 1229 2458 6145 12290 15977 31954 79885 159770 125881643 251763286 629408215 1258816430 1636461359 3272922718 8182306795 16364613590 154708539247 309417078494 773542696235 1547085392470 2011211010211 4022422020422 10056055051055 20112110102110