Search a number
-
+
130816125 = 3253112312
BaseRepresentation
bin1111100110000…
…01100001111101
3100010011010222200
413303001201331
5231442104000
620551502113
73145630056
oct763014175
9303133880
10130816125
116792a100
1237987939
13211430bb
141353372d
15b740500
hex7cc187d

130816125 has 108 divisors (see below), whose sum is σ = 267835932. Its totient is φ = 61380000.

The previous prime is 130816079. The next prime is 130816141. The reversal of 130816125 is 521618031.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 4186116 + 126630009 = 2046^2 + 11253^2 .

It is not a de Polignac number, because 130816125 - 28 = 130815869 is a prime.

It is a super-2 number, since 2×1308161252 = 34225717120031250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 4219860 + ... + 4219890.

Almost surely, 2130816125 is an apocalyptic number.

130816125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130816125 is an abundant number, since it is smaller than the sum of its proper divisors (137019807).

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

130816125 is a wasteful number, since it uses less digits than its factorization.

130816125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 130816125 is about 11437.4877049114. The cubic root of 130816125 is about 507.6375742277.

The spelling of 130816125 in words is "one hundred thirty million, eight hundred sixteen thousand, one hundred twenty-five".

Divisors: 1 3 5 9 11 15 25 31 33 45 55 75 93 99 121 125 155 165 225 275 279 341 363 375 465 495 605 775 825 961 1023 1089 1125 1375 1395 1705 1815 2325 2475 2883 3025 3069 3751 3875 4125 4805 5115 5445 6975 8525 8649 9075 10571 11253 11625 12375 14415 15125 15345 18755 24025 25575 27225 31713 33759 34875 42625 43245 45375 52855 56265 72075 76725 93775 95139 116281 120125 127875 136125 158565 168795 216225 264275 281325 348843 360375 383625 468875 475695 581405 792825 843975 1046529 1081125 1321375 1406625 1744215 2378475 2907025 3964125 4219875 5232645 8721075 11892375 14535125 26163225 43605375 130816125