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130488085 = 57132337337
BaseRepresentation
bin1111100011100…
…01011100010101
3100002112111000001
413301301130111
5231401104320
620540451301
73143062510
oct761613425
9302474001
10130488085
11677256a2
1237849b31
13210599b0
1413489d77
15b6c820a
hex7c71715

130488085 has 64 divisors (see below), whose sum is σ = 207148032. Its totient is φ = 76640256.

The previous prime is 130488079. The next prime is 130488109. The reversal of 130488085 is 580884031.

It is not a de Polignac number, because 130488085 - 219 = 129963797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 387037 + ... + 387373.

It is an arithmetic number, because the mean of its divisors is an integer number (3236688).

Almost surely, 2130488085 is an apocalyptic number.

It is an amenable number.

130488085 is a deficient number, since it is larger than the sum of its proper divisors (76659947).

130488085 is a wasteful number, since it uses less digits than its factorization.

130488085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 130488085 is about 11423.1381415091. The cubic root of 130488085 is about 507.2128946263.

The spelling of 130488085 in words is "one hundred thirty million, four hundred eighty-eight thousand, eighty-five".

Divisors: 1 5 7 13 23 35 37 65 91 115 161 185 259 299 337 455 481 805 851 1295 1495 1685 2093 2359 2405 3367 4255 4381 5957 7751 10465 11063 11795 12469 16835 21905 29785 30667 38755 54257 55315 62345 77441 87283 100763 153335 162097 271285 286787 387205 436415 503815 705341 810485 1134679 1433935 2007509 3526705 3728231 5673395 10037545 18641155 26097617 130488085