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131211440042110 = 25347659329917393
BaseRepresentation
bin11101110101011000001011…
…010001100011000001111110
3122012120200122212011202021121
4131311120023101203001332
5114144232012122321420
61143021411534221154
736431466542154121
oct3565301321430176
9565520585152247
10131211440042110
113889850625727a
12128717a59547ba
13582a254cb887c
14245894bbc23b8
15102819d7962aa
hex77560b46307e

131211440042110 has 64 divisors (see below), whose sum is σ = 237306202848000. Its totient is φ = 52235067684352.

The previous prime is 131211440042063. The next prime is 131211440042171. The reversal of 131211440042110 is 11240044112131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7543913574 + ... + 7543930966.

It is an arithmetic number, because the mean of its divisors is an integer number (3707909419500).

Almost surely, 2131211440042110 is an apocalyptic number.

131211440042110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131211440042110 is a deficient number, since it is larger than the sum of its proper divisors (106094762805890).

131211440042110 is a wasteful number, since it uses less digits than its factorization.

131211440042110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21705.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 131211440042110 its reverse (11240044112131), we get a palindrome (142451484154241).

The spelling of 131211440042110 in words is "one hundred thirty-one trillion, two hundred eleven billion, four hundred forty million, forty-two thousand, one hundred ten".

Divisors: 1 2 5 10 347 659 694 1318 1735 3295 3299 3470 6590 6598 16495 17393 32990 34786 86965 173930 228673 457346 1143365 1144753 2174041 2286730 2289506 4348082 5723765 6035371 10870205 11447530 11461987 12070742 21740410 22923974 30176855 57309935 57379507 60353710 114619870 114759014 286897535 573795070 754392227 1508784454 3771961135 3977309489 7543922270 7954618978 19886547445 19910688929 37813095113 39773094890 39821377858 75626190226 99553444645 189065475565 199106889290 378130951130 13121144004211 26242288008422 65605720021055 131211440042110