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51142400424115 = 57211213191694789
BaseRepresentation
bin10111010000011100001001…
…00111000011100010110011
320201002011110211002202012221
423220032010213003202303
523200404114002032430
6300434254443101511
713525626234000400
oct1350160447034263
9221064424082187
1051142400424115
111532840883a300
12589b8a6511897
13226c9279874b0
14c8b43bdad2a7
155da4e7c0457a
hex2e83849c38b3

51142400424115 has 144 divisors (see below), whose sum is σ = 84949449822720. Its totient is φ = 29274475507200.

The previous prime is 51142400424109. The next prime is 51142400424131.

51142400424115 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51142400424115 - 25 = 51142400424083 is a prime.

It is a super-2 number, since 2×511424004241152 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 73261141 + ... + 73955929.

It is an arithmetic number, because the mean of its divisors is an integer number (589926734880).

Almost surely, 251142400424115 is an apocalyptic number.

51142400424115 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51142400424115 is a deficient number, since it is larger than the sum of its proper divisors (33807049398605).

51142400424115 is a wasteful number, since it uses less digits than its factorization.

51142400424115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695034 (or 695016 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

It can be divided in two parts, 51142400 and 424115, that added together give a palindrome (51566515).

The spelling of 51142400424115 in words is "fifty-one trillion, one hundred forty-two billion, four hundred million, four hundred twenty-four thousand, one hundred fifteen".

Divisors: 1 5 7 11 13 35 49 55 65 77 91 121 143 191 245 385 455 539 605 637 715 847 955 1001 1337 1573 2101 2483 2695 3185 4235 5005 5929 6685 7007 7865 9359 10505 11011 12415 14707 17381 23111 27313 29645 35035 46795 55055 73535 77077 86905 102949 115555 121667 136565 161777 191191 300443 385385 514745 608335 694789 808885 955955 1132439 1338337 1502215 2103101 3473945 4863523 5662195 6691685 7642679 9032257 10515505 14721707 24317615 34044661 38213395 45161285 53498753 63225799 73608535 84069469 99354827 132704699 170223305 267493765 316128995 374491271 420347345 442580593 496774135 588486283 663523495 695483789 928932893 1092903097 1459751689 1725161087 1872456355 2212902965 2942431415 3477418945 4119403981 4644664465 4868386523 5464515485 6502530251 7298758445 7650321679 8625805435 10218261823 12076127609 16057268579 18976771957 20597019905 24341932615 32512651255 38251608395 51091309115 53552251753 60380638045 71527832761 80286342895 84532893263 94883859785 112400880053 132837403699 208744491527 267761258765 357639163805 422664466315 562004400265 664187018495 786806160371 929861825893 1043722457635 1461211440689 3934030801855 4649309129465 7306057203445 10228480084823 51142400424115