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130525402532 = 22719253243643
BaseRepresentation
bin111100110001111101…
…0111001010110100100
3110110220112120110101212
41321203322321112210
54114304000340112
6135543524210552
712300353421110
oct1714372712644
9413815513355
10130525402532
11503a02068a8
1221368839a58
13c4019b20c5
146463194740
1535de048522
hex1e63eb95a4

130525402532 has 72 divisors (see below), whose sum is σ = 280712972736. Its totient is φ = 51995151936.

The previous prime is 130525402531. The next prime is 130525402541. The reversal of 130525402532 is 235204525031.

It is a super-2 number, since 2×1305254025322 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130525402531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 413903 + ... + 657545.

It is an arithmetic number, because the mean of its divisors is an integer number (3898791288).

Almost surely, 2130525402532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130525402532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140356486368).

130525402532 is an abundant number, since it is smaller than the sum of its proper divisors (150187570204).

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

130525402532 is a wasteful number, since it uses less digits than its factorization.

130525402532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243745 (or 243724 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 130525402532 its reverse (235204525031), we get a palindrome (365729927563).

The spelling of 130525402532 in words is "one hundred thirty billion, five hundred twenty-five million, four hundred two thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 19 28 38 53 76 106 133 212 266 361 371 532 722 742 1007 1444 1484 2014 2527 4028 5054 7049 10108 14098 19133 28196 38266 76532 133931 243643 267862 487286 535724 974572 1705501 3411002 4629217 6822004 9258434 12913079 18516868 25826158 32404519 51652316 64809038 87955123 90391553 129618076 175910246 180783106 245348501 351820492 361566212 490697002 615685861 981394004 1231371722 1717439507 2462743444 3434879014 4661621519 6869758028 9323243038 18646486076 32631350633 65262701266 130525402532