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130531510545 = 358702100703
BaseRepresentation
bin111100110010001001…
…0001100100100010001
3110110220222001210000120
41321210102030210101
54114312031314140
6135544303140453
712300456350532
oct1714422144421
9413828053016
10130531510545
11503a36a8947
122136a8a4729
13c403040307
146463d04689
1535de8531d0
hex1e6448c911

130531510545 has 8 divisors (see below), whose sum is σ = 208850416896. Its totient is φ = 69616805616.

The previous prime is 130531510537. The next prime is 130531510547. The reversal of 130531510545 is 545015135031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130531510545 - 23 = 130531510537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130531510547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4351050337 + ... + 4351050366.

It is an arithmetic number, because the mean of its divisors is an integer number (26106302112).

Almost surely, 2130531510545 is an apocalyptic number.

130531510545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130531510545 is a deficient number, since it is larger than the sum of its proper divisors (78318906351).

130531510545 is an equidigital number, since it uses as much as digits as its factorization.

130531510545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8702100711.

The product of its (nonzero) digits is 22500, while the sum is 33.

Adding to 130531510545 its reverse (545015135031), we get a palindrome (675546645576).

The spelling of 130531510545 in words is "one hundred thirty billion, five hundred thirty-one million, five hundred ten thousand, five hundred forty-five".

Divisors: 1 3 5 15 8702100703 26106302109 43510503515 130531510545