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13042142120 = 23571011094231
BaseRepresentation
bin11000010010101111…
…10100101110101000
31020122221002110120202
430021113310232220
5203202242021440
65554054211332
7641124243650
oct141127645650
936587073522
1013042142120
115592a49457
12263b953b48
1312cb038577
148ba1b9360
15514ec8615
hex3095f4ba8

13042142120 has 128 divisors (see below), whose sum is σ = 34187788800. Its totient is φ = 4385664000.

The previous prime is 13042142101. The next prime is 13042142137. The reversal of 13042142120 is 2124124031.

13042142120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13042142092 and 13042142101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3080405 + ... + 3084635.

It is an arithmetic number, because the mean of its divisors is an integer number (267092100).

Almost surely, 213042142120 is an apocalyptic number.

13042142120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13042142120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17093894400).

13042142120 is an abundant number, since it is smaller than the sum of its proper divisors (21145646680).

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

13042142120 is a wasteful number, since it uses less digits than its factorization.

13042142120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459 (or 4455 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 13042142120 its reverse (2124124031), we get a palindrome (15166266151).

The spelling of 13042142120 in words is "thirteen billion, forty-two million, one hundred forty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 101 109 140 202 218 280 404 436 505 545 707 763 808 872 1010 1090 1414 1526 2020 2180 2828 3052 3535 3815 4040 4231 4360 5656 6104 7070 7630 8462 11009 14140 15260 16924 21155 22018 28280 29617 30520 33848 42310 44036 55045 59234 77063 84620 88072 110090 118468 148085 154126 169240 220180 236936 296170 308252 385315 427331 440360 461179 592340 616504 770630 854662 922358 1184680 1541260 1709324 1844716 2136655 2305895 2991317 3082520 3228253 3418648 3689432 4273310 4611790 5982634 6456506 8546620 9223580 11965268 12913012 14956585 16141265 17093240 18447160 23930536 25826024 29913170 32282530 46579079 59826340 64565060 93158158 119652680 129130120 186316316 232895395 326053553 372632632 465790790 652107106 931581580 1304214212 1630267765 1863163160 2608428424 3260535530 6521071060 13042142120