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20102110111110 = 2351662474030571
BaseRepresentation
bin1001001001000011000110…
…01000011110010110000110
32122011202001121122121011210
410210201203020132112012
510113323110142023420
6110430440520112250
74143221012445546
oct444414310362606
978152047577153
1020102110111110
116450291107915
122307b10005686
13b2a80c011621
144d6d3963b326
1524cd7e4839e0
hex12486321e586

20102110111110 has 32 divisors (see below), whose sum is σ = 48245366437632. Its totient is φ = 5360529121760.

The previous prime is 20102110111087. The next prime is 20102110111117. The reversal of 20102110111110 is 1111101120102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102110111117) 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, 2972125 + ... + 7002695.

It is an arithmetic number, because the mean of its divisors is an integer number (1507667701176).

Almost surely, 220102110111110 is an apocalyptic number.

20102110111110 is an abundant number, since it is smaller than the sum of its proper divisors (28143256326522).

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

20102110111110 is a wasteful number, since it uses less digits than its factorization.

20102110111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196828.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 20102110111110 its reverse (1111101120102), we get a palindrome (21213211231212).

The spelling of 20102110111110 in words is "twenty trillion, one hundred two billion, one hundred ten million, one hundred eleven thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 166247 332494 498741 831235 997482 1662470 2493705 4030571 4987410 8061142 12091713 20152855 24183426 40305710 60458565 120917130 670070337037 1340140674074 2010211011111 3350351685185 4020422022222 6700703370370 10051055055555 20102110111110