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130540568820 = 22359727298219
BaseRepresentation
bin111100110010011010…
…0110000000011110100
3110110221121002222122020
41321210310300003310
54114321341200240
6135545225233140
712300626345514
oct1714464600364
9413847088566
10130540568820
11503a8825522
12213719327b0
13c404b9233c
1464651c1844
1535e05420d0
hex1e64d300f4

130540568820 has 96 divisors (see below), whose sum is σ = 369462038400. Its totient is φ = 34435129344.

The previous prime is 130540568819. The next prime is 130540568827. The reversal of 130540568820 is 28865045031.

130540568820 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130540568827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15878671 + ... + 15886889.

It is an arithmetic number, because the mean of its divisors is an integer number (3848562900).

Almost surely, 2130540568820 is an apocalyptic number.

130540568820 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 130540568820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184731019200).

130540568820 is an abundant number, since it is smaller than the sum of its proper divisors (238921469580).

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

130540568820 is a wasteful number, since it uses less digits than its factorization.

130540568820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11057 (or 11055 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 130540568820 in words is "one hundred thirty billion, five hundred forty million, five hundred sixty-eight thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 97 194 291 388 485 582 970 1164 1455 1940 2729 2910 5458 5820 8187 8219 10916 13645 16374 16438 24657 27290 32748 32876 40935 41095 49314 54580 81870 82190 98628 123285 163740 164380 246570 264713 493140 529426 794139 797243 1058852 1323565 1588278 1594486 2391729 2647130 3176556 3188972 3970695 3986215 4783458 5294260 7941390 7972430 9566916 11958645 15882780 15944860 22429651 23917290 44859302 47834580 67288953 89718604 112148255 134577906 224296510 269155812 336444765 448593020 672889530 1345779060 2175676147 4351352294 6527028441 8702704588 10878380735 13054056882 21756761470 26108113764 32635142205 43513522940 65270284410 130540568820