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131442215355434 = 2175361843606223
BaseRepresentation
bin11101111000101111000110…
…100011100000010000101010
3122020101202022222122100002102
4131320233012203200100222
5114212022124112333214
61143315415314133402
736454246426024514
oct3570570643402052
9566352288570072
10131442215355434
113897736a970915
12128aa46bb81262
135845c421bb2c9
142465ba128cbb4
15102e1a8941bde
hex778bc68e042a

131442215355434 has 16 divisors (see below), whose sum is σ = 197279310348672. Its totient is φ = 65682446578848.

The previous prime is 131442215355371. The next prime is 131442215355587. The reversal of 131442215355434 is 434553512244131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216518447 + ... + 217124669.

It is an arithmetic number, because the mean of its divisors is an integer number (12329956896792).

Almost surely, 2131442215355434 is an apocalyptic number.

131442215355434 is a deficient number, since it is larger than the sum of its proper divisors (65837094993238).

131442215355434 is a wasteful number, since it uses less digits than its factorization.

131442215355434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669821.

The product of its digits is 3456000, while the sum is 47.

Adding to 131442215355434 its reverse (434553512244131), we get a palindrome (565995727599565).

The spelling of 131442215355434 in words is "one hundred thirty-one trillion, four hundred forty-two billion, two hundred fifteen million, three hundred fifty-five thousand, four hundred thirty-four".

Divisors: 1 2 1753 3506 61843 123686 606223 1212446 108410779 216821558 1062708919 2125417838 37490648989 74981297978 65721107677717 131442215355434