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103030131021200 = 24521945133003899
BaseRepresentation
bin10111011011010010010010…
…010111000101010110010000
3111111210120202222102021101222
4113123102102113011112100
5102001021202020134300
61003043215550344212
730462452456641235
oct2733222227052620
9444716688367358
10103030131021200
112a912918a76069
12b67bb1a4bb068
134564913223476
141b629836db78c
15bda0b43bd785
hex5db4925c5590

103030131021200 has 120 divisors (see below), whose sum is σ = 260615600412000. Its totient is φ = 39034332794880.

The previous prime is 103030131021193. The next prime is 103030131021253. The reversal of 103030131021200 is 2120131030301.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32796851 + ... + 35800749.

It is an arithmetic number, because the mean of its divisors is an integer number (2171796670100).

Almost surely, 2103030131021200 is an apocalyptic number.

103030131021200 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 103030131021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130307800206000).

103030131021200 is an abundant number, since it is smaller than the sum of its proper divisors (157585469390800).

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

103030131021200 is a wasteful number, since it uses less digits than its factorization.

103030131021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008449 (or 3008438 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 103030131021200 its reverse (2120131030301), we get a palindrome (105150262051501).

The spelling of 103030131021200 in words is "one hundred three trillion, thirty billion, one hundred thirty-one million, twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 19 20 25 38 40 50 76 80 95 100 152 190 200 304 380 400 475 760 950 1520 1900 3800 4513 7600 9026 18052 22565 36104 45130 72208 85747 90260 112825 171494 180520 225650 342988 361040 428735 451300 685976 857470 902600 1371952 1714940 1805200 2143675 3003899 3429880 4287350 6007798 6859760 8574700 12015596 15019495 17149400 24031192 30038990 34298800 48062384 57074081 60077980 75097475 114148162 120155960 150194950 228296324 240311920 285370405 300389900 456592648 570740810 600779800 913185296 1141481620 1201559600 1426852025 2282963240 2853704050 4565926480 5707408100 11414816200 13556596187 22829632400 27113192374 54226384748 67782980935 108452769496 135565961870 216905538992 257575327553 271131923740 338914904675 515150655106 542263847480 677829809350 1030301310212 1084527694960 1287876637765 1355659618700 2060602620424 2575753275530 2711319237400 4121205240848 5151506551060 5422638474800 6439383188825 10303013102120 12878766377650 20606026204240 25757532755300 51515065510600 103030131021200