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130452530520 = 233513229336469
BaseRepresentation
bin111100101111110010…
…0111010010101011000
3110110201110110011210110
41321133210322111120
54114131321434040
6135532402244320
712265510133214
oct1713744722530
9413643404713
10130452530520
1150363063aa4
12213483566a0
13c3bc879280
146457625944
1535d7951980
hex1e5f93a558

130452530520 has 128 divisors (see below), whose sum is σ = 421657387200. Its totient is φ = 32096507904.

The previous prime is 130452530503. The next prime is 130452530581. The reversal of 130452530520 is 25035254031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3558846 + ... + 3595314.

Almost surely, 2130452530520 is an apocalyptic number.

130452530520 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 130452530520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210828693600).

130452530520 is an abundant number, since it is smaller than the sum of its proper divisors (291204856680).

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

130452530520 is a wasteful number, since it uses less digits than its factorization.

130452530520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38789 (or 38785 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 130452530520 its reverse (25035254031), we get a palindrome (155487784551).

The spelling of 130452530520 in words is "one hundred thirty billion, four hundred fifty-two million, five hundred thirty thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 2293 4586 6879 9172 11465 13758 18344 22930 27516 29809 34395 36469 45860 55032 59618 68790 72938 89427 91720 109407 119236 137580 145876 149045 178854 182345 218814 238472 275160 291752 298090 357708 364690 437628 447135 474097 547035 596180 715416 729380 875256 894270 948194 1094070 1192360 1422291 1458760 1788540 1896388 2188140 2370485 2844582 3577080 3792776 4376280 4740970 5689164 7111455 9481940 11378328 14222910 18963880 28445820 56891640 83623417 167246834 250870251 334493668 418117085 501740502 668987336 836234170 1003481004 1087104421 1254351255 1672468340 2006962008 2174208842 2508702510 3261313263 3344936680 4348417684 5017405020 5435522105 6522626526 8696835368 10034810040 10871044210 13045253052 16306566315 21742088420 26090506104 32613132630 43484176840 65226265260 130452530520