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2000103030 = 23452985147
BaseRepresentation
bin111011100110111…
…0010011001110110
312011101112202120000
41313031302121312
513044011244110
6530245052130
7100364411112
oct16715623166
95141482500
102000103030
11937008012
124799b7046
1325b4b2223
1414d8c4742
15ba8d31c0
hex77372676

2000103030 has 80 divisors (see below), whose sum is σ = 5563570320. Its totient is φ = 514963008.

The previous prime is 2000103019. The next prime is 2000103037. The reversal of 2000103030 is 303010002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000103037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19084 + ... + 66063.

It is an arithmetic number, because the mean of its divisors is an integer number (69544629).

Almost surely, 22000103030 is an apocalyptic number.

2000103030 is an abundant number, since it is smaller than the sum of its proper divisors (3563467290).

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

2000103030 is a wasteful number, since it uses less digits than its factorization.

2000103030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85195 (or 85186 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 2000103030 is about 44722.5114455796. The cubic root of 2000103030 is about 1259.9426844677.

Adding to 2000103030 its reverse (303010002), we get a palindrome (2303113032).

The spelling of 2000103030 in words is "two billion, one hundred three thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 29 30 45 54 58 81 87 90 135 145 162 174 261 270 290 405 435 522 783 810 870 1305 1566 2349 2610 3915 4698 7830 11745 23490 85147 170294 255441 425735 510882 766323 851470 1277205 1532646 2298969 2469263 2554410 3831615 4597938 4938526 6896907 7407789 7663230 11494845 12346315 13793814 14815578 22223367 22989690 24692630 34484535 37038945 44446734 66670101 68969070 74077890 111116835 133340202 200010303 222233670 333350505 400020606 666701010 1000051515 2000103030