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130195952640 = 21034513193141
BaseRepresentation
bin111100101000001001…
…0001001010000000000
3110110001120122200010000
41321100102021100000
54113120130441030
6135451115040000
712256243223565
oct1712022112000
9413046580100
10130195952640
1150241248266
1221296440000
13c37b672840
14643151686c
1535c016d860
hex1e50489400

130195952640 has 1760 divisors, whose sum is σ = 559257431040. Its totient is φ = 28665446400.

The previous prime is 130195952611. The next prime is 130195952641. The reversal of 130195952640 is 46259591031.

130195952640 is a `hidden beast` number, since 1 + 3 + 0 + 19 + 595 + 2 + 6 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130195952641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3175511020 + ... + 3175511060.

It is an arithmetic number, because the mean of its divisors is an integer number (317759904).

Almost surely, 2130195952640 is an apocalyptic number.

130195952640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130195952640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279628715520).

130195952640 is an abundant number, since it is smaller than the sum of its proper divisors (429061478400).

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

130195952640 is a wasteful number, since it uses less digits than its factorization.

130195952640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 130195952640 in words is "one hundred thirty billion, one hundred ninety-five million, nine hundred fifty-two thousand, six hundred forty".