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131120010 = 23257239049
BaseRepresentation
bin1111101000010…
…11101110001010
3100010201120211200
413310023232022
5232031320020
621002205030
73151334040
oct764135612
9303646750
10131120010
116801744a
1237ab3776
132121b508
14135b2390
15b7a0590
hex7d0bb8a

131120010 has 96 divisors (see below), whose sum is σ = 406598400. Its totient is φ = 28664064.

The previous prime is 131119979. The next prime is 131120021. The reversal of 131120010 is 10021131.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131119974 and 131120001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9966 + ... + 19014.

It is an arithmetic number, because the mean of its divisors is an integer number (4235400).

Almost surely, 2131120010 is an apocalyptic number.

131120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131120010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203299200).

131120010 is an abundant number, since it is smaller than the sum of its proper divisors (275478390).

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

131120010 is a wasteful number, since it uses less digits than its factorization.

131120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9092 (or 9089 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 131120010 is about 11450.7646032918. The cubic root of 131120010 is about 508.0303498308.

Adding to 131120010 its reverse (10021131), we get a palindrome (141141141).

It can be divided in two parts, 1311 and 20010, that added together give a triangular number (21321 = T206).

The spelling of 131120010 in words is "one hundred thirty-one million, one hundred twenty thousand, ten".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 23 30 35 42 45 46 63 69 70 90 105 115 126 138 161 207 210 230 315 322 345 414 483 630 690 805 966 1035 1449 1610 2070 2415 2898 4830 7245 9049 14490 18098 27147 45245 54294 63343 81441 90490 126686 135735 162882 190029 208127 271470 316715 380058 407205 416254 570087 624381 633430 814410 950145 1040635 1140174 1248762 1456889 1873143 1900290 2081270 2850435 2913778 3121905 3746286 4370667 5700870 6243810 7284445 8741334 9365715 13112001 14568890 18731430 21853335 26224002 43706670 65560005 131120010