Base | Representation |
---|---|
bin | 111100110001111101… |
… | …0111001010110100100 |
3 | 110110220112120110101212 |
4 | 1321203322321112210 |
5 | 4114304000340112 |
6 | 135543524210552 |
7 | 12300353421110 |
oct | 1714372712644 |
9 | 413815513355 |
10 | 130525402532 |
11 | 503a02068a8 |
12 | 21368839a58 |
13 | c4019b20c5 |
14 | 6463194740 |
15 | 35de048522 |
hex | 1e63eb95a4 |
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".
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