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130420655200 = 25521193715817
BaseRepresentation
bin111100101110110101…
…1010100010001100000
3110110122020110202002001
41321131223110101200
54114100141431300
6135525303133344
712264642164233
oct1713553242140
9413566422061
10130420655200
1150347072660
1221339744254
13c3b6098834
1464532c941a
1535d4c5716a
hex1e5dad4460

130420655200 has 144 divisors (see below), whose sum is σ = 347726587824. Its totient is φ = 47372083200.

The previous prime is 130420655191. The next prime is 130420655207. The reversal of 130420655200 is 2556024031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130420655207) 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, 8237692 + ... + 8253508.

It is an arithmetic number, because the mean of its divisors is an integer number (2414767971).

Almost surely, 2130420655200 is an apocalyptic number.

130420655200 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 130420655200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173863293912).

130420655200 is an abundant number, since it is smaller than the sum of its proper divisors (217305932624).

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

130420655200 is a wasteful number, since it uses less digits than its factorization.

130420655200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16785 (or 16772 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 130420655200 its reverse (2556024031), we get a palindrome (132976679231).

The spelling of 130420655200 in words is "one hundred thirty billion, four hundred twenty million, six hundred fifty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 160 176 200 220 275 352 400 440 550 800 880 937 1100 1760 1874 2200 3748 4400 4685 7496 8800 9370 10307 14992 15817 18740 20614 23425 29984 31634 37480 41228 46850 51535 63268 74960 79085 82456 93700 103070 126536 149920 158170 164912 173987 187400 206140 253072 257675 316340 329824 347974 374800 395425 412280 506144 515350 632680 695948 749600 790850 824560 869935 1030700 1265360 1391896 1581700 1649120 1739870 2061400 2530720 2783792 3163400 3479740 4122800 4349675 5567584 6326800 6959480 8245600 8699350 12653600 13918960 14820529 17398700 27837920 29641058 34797400 59282116 69594800 74102645 118564232 139189600 148205290 163025819 237128464 296410580 326051638 370513225 474256928 592821160 652103276 741026450 815129095 1185642320 1304206552 1482052900 1630258190 2371284640 2608413104 2964105800 3260516380 4075645475 5216826208 5928211600 6521032760 8151290950 11856423200 13042065520 16302581900 26084131040 32605163800 65210327600 130420655200