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130878682 = 211217291097
BaseRepresentation
bin1111100110100…
…00110011011010
3100010021022210121
413303100303122
5232001104212
620553103454
73146310334
oct763206332
9303238717
10130878682
1167972100
12379b7b8a
132116570c
141354c454
15b753d07
hex7cd0cda

130878682 has 48 divisors (see below), whose sum is σ = 236575080. Its totient is φ = 54010880.

The previous prime is 130878667. The next prime is 130878719. The reversal of 130878682 is 286878031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 115971361 + 14907321 = 10769^2 + 3861^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118758 + ... + 119854.

Almost surely, 2130878682 is an apocalyptic number.

130878682 is a deficient number, since it is larger than the sum of its proper divisors (105696398).

130878682 is a wasteful number, since it uses less digits than its factorization.

130878682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 130878682 is about 11440.2221132284. Note that the first 3 decimals coincide. The cubic root of 130878682 is about 507.7184797049.

The spelling of 130878682 in words is "one hundred thirty million, eight hundred seventy-eight thousand, six hundred eighty-two".

Divisors: 1 2 11 17 22 29 34 58 121 187 242 319 374 493 638 986 1097 2057 2194 3509 4114 5423 7018 10846 12067 18649 24134 31813 37298 59653 63626 119306 132737 205139 265474 349943 410278 540821 699886 1081642 2256529 3849373 4513058 5949031 7698746 11898062 65439341 130878682