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131302011123120 = 24351063514667651
BaseRepresentation
bin11101110110101100100001…
…101110110011010110110000
3122012220100102220122101021110
4131312230201232303112300
5114202223004321414440
61143131151114553320
736441154144512645
oct3566544156632660
9565810386571243
10131302011123120
1138922963273a42
1212887261a38840
13583595a21c7b6
14245d0a0899dcc
15102a6eed2c080
hex776b21bb35b0

131302011123120 has 80 divisors (see below), whose sum is σ = 407419148005632. Its totient is φ = 34980930835200.

The previous prime is 131302011123097. The next prime is 131302011123121. The reversal of 131302011123120 is 21321110203131.

Adding to 131302011123120 its reverse (21321110203131), we get a palindrome (152623121326251).

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (131302011123121) 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, 257078706 + ... + 257588945.

Almost surely, 2131302011123120 is an apocalyptic number.

131302011123120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131302011123120 is an abundant number, since it is smaller than the sum of its proper divisors (276117136882512).

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

131302011123120 is a wasteful number, since it uses less digits than its factorization.

131302011123120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514668730 (or 514668724 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The spelling of 131302011123120 in words is "one hundred thirty-one trillion, three hundred two billion, eleven million, one hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 1063 2126 3189 4252 5315 6378 8504 10630 12756 15945 17008 21260 25512 31890 42520 51024 63780 85040 127560 255120 514667651 1029335302 1544002953 2058670604 2573338255 3088005906 4117341208 5146676510 6176011812 7720014765 8234682416 10293353020 12352023624 15440029530 20586706040 24704047248 30880059060 41173412080 61760118120 123520236240 547091713013 1094183426026 1641275139039 2188366852052 2735458565065 3282550278078 4376733704104 5470917130130 6565100556156 8206375695195 8753467408208 10941834260260 13130201112312 16412751390390 21883668520520 26260402224624 32825502780780 43767337041040 65651005561560 131302011123120