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1002010212 = 223272568033
BaseRepresentation
bin111011101110010…
…111011001100100
32120211110101121100
4323232113121210
54023003311322
6243232320100
733554642400
oct7356273144
92524411540
101002010212
11474677115
1223b6a3030
1312c792168
1497112100
155ce7bdac
hex3bb97664

1002010212 has 54 divisors (see below), whose sum is σ = 2946392358. Its totient is φ = 286288128.

The previous prime is 1002010199. The next prime is 1002010231. The reversal of 1002010212 is 2120102001.

It can be written as a sum of positive squares in only one way, i.e., 1000203876 + 1806336 = 31626^2 + 1344^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1002010194 and 1002010203.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 282253 + ... + 285780.

Almost surely, 21002010212 is an apocalyptic number.

1002010212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002010212 is an abundant number, since it is smaller than the sum of its proper divisors (1944382146).

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

1002010212 is a wasteful number, since it uses less digits than its factorization.

1002010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568057 (or 568045 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1002010212 is about 31654.5448869511. The cubic root of 1002010212 is about 1000.6696221727.

Adding to 1002010212 its reverse (2120102001), we get a palindrome (3122112213).

The spelling of 1002010212 in words is "one billion, two million, ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1764 568033 1136066 1704099 2272132 3408198 3976231 5112297 6816396 7952462 10224594 11928693 15904924 20449188 23857386 27833617 35786079 47714772 55667234 71572158 83500851 111334468 143144316 167001702 250502553 334003404 501005106 1002010212