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2131110312110 = 251326771862647
BaseRepresentation
bin11111000000110000000…
…100101011100010101110
321112201202202000210110122
4133000300010223202232
5234404003214441420
64311004002004542
7306652620524663
oct37006004534256
97481682023418
102131110312110
1175188723892a
122a5034646752
13125c6948a500
14752095bda6a
153a67d562725
hex1f03012b8ae

2131110312110 has 48 divisors (see below), whose sum is σ = 4159911383136. Its totient is φ = 785708786304.

The previous prime is 2131110312101. The next prime is 2131110312113. The reversal of 2131110312110 is 112130111312.

It is a super-2 number, since 2×21311103121102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131110312113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212807 + ... + 2075453.

It is an arithmetic number, because the mean of its divisors is an integer number (86664820482).

Almost surely, 22131110312110 is an apocalyptic number.

2131110312110 is a deficient number, since it is larger than the sum of its proper divisors (2028801071026).

2131110312110 is a wasteful number, since it uses less digits than its factorization.

2131110312110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863357 (or 1863344 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 2131110312110 its reverse (112130111312), we get a palindrome (2243240423422).

The spelling of 2131110312110 in words is "two trillion, one hundred thirty-one billion, one hundred ten million, three hundred twelve thousand, one hundred ten".

Divisors: 1 2 5 10 13 26 65 130 169 338 677 845 1354 1690 3385 6770 8801 17602 44005 88010 114413 228826 572065 1144130 1862647 3725294 9313235 18626470 24214411 48428822 121072055 242144110 314787343 629574686 1261012019 1573936715 2522024038 3147873430 6305060095 12610120190 16393156247 32786312494 81965781235 163931562470 213111031211 426222062422 1065555156055 2131110312110