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100020030243 = 3721136539221
BaseRepresentation
bin101110100100110101…
…0001000101100100011
3100120011120022222120120
41131021222020230203
53114320111431433
6113540520211323
710140406141500
oct1351152105443
9316146288516
10100020030243
1139466777121
1217474609b43
13957ca03863
144bab9964a7
152905d947b3
hex1749a88b23

100020030243 has 48 divisors (see below), whose sum is σ = 156762638496. Its totient is φ = 56555627520.

The previous prime is 100020030221. The next prime is 100020030277. The reversal of 100020030243 is 342030020001.

It is not a de Polignac number, because 100020030243 - 224 = 100003253027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100020035243) 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 47 ways as a sum of consecutive naturals, for example, 10842373 + ... + 10851593.

It is an arithmetic number, because the mean of its divisors is an integer number (3265888302).

Almost surely, 2100020030243 is an apocalyptic number.

100020030243 is a deficient number, since it is larger than the sum of its proper divisors (56742608253).

100020030243 is a wasteful number, since it uses less digits than its factorization.

100020030243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10004 (or 9997 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 100020030243 its reverse (342030020001), we get a palindrome (442050050244).

The spelling of 100020030243 in words is "one hundred billion, twenty million, thirty thousand, two hundred forty-three".

Divisors: 1 3 7 21 49 113 147 339 653 791 1959 2373 4571 5537 9221 13713 16611 27663 31997 64547 73789 95991 193641 221367 451829 516523 1041973 1355487 1549569 3125919 3615661 6021313 7293811 10846983 18063939 21881433 42149191 51056677 126447573 153170031 295044337 680408369 885133011 2041225107 4762858583 14288575749 33340010081 100020030243