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1220210002010 = 25122021000201
BaseRepresentation
bin10001110000011010001…
…011110000100001011010
311022122120112101120211102
4101300122023300201122
5124442442230031020
62332320131031402
7154104640612466
oct21603213604132
94278515346742
101220210002010
1143054080a79a
12178599a3b562
138b0b063c38c
14430b66774a6
1521b190d9475
hex11c1a2f085a

1220210002010 has 8 divisors (see below), whose sum is σ = 2196378003636. Its totient is φ = 488084000800.

The previous prime is 1220210002003. The next prime is 1220210002021. The reversal of 1220210002010 is 102000120221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1098557630641 + 121652371369 = 1048121^2 + 348787^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1220210001982 and 1220210002000.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 61010500091 + ... + 61010500110.

Almost surely, 21220210002010 is an apocalyptic number.

1220210002010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220210002010 is a deficient number, since it is larger than the sum of its proper divisors (976168001626).

1220210002010 is a wasteful number, since it uses less digits than its factorization.

1220210002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122021000208.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1220210002010 its reverse (102000120221), we get a palindrome (1322210122231).

The spelling of 1220210002010 in words is "one trillion, two hundred twenty billion, two hundred ten million, two thousand, ten".

Divisors: 1 2 5 10 122021000201 244042000402 610105001005 1220210002010