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10021022210 = 252934555249
BaseRepresentation
bin10010101010100110…
…01010101000000010
3221212101022200011202
421111103022220002
5131010340202320
64334213141202
7503221166123
oct112523125002
927771280152
1010021022210
114282673341
121b3802a802
13c3916ac54
146b0c7604a
153d9b61b75
hex2554caa02

10021022210 has 16 divisors (see below), whose sum is σ = 18659835000. Its totient is φ = 3870187776.

The previous prime is 10021022189. The next prime is 10021022251. The reversal of 10021022210 is 1222012001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8877973729 + 1143048481 = 94223^2 + 33809^2 .

It is a super-2 number, since 2×100210222102 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10021022191 and 10021022200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17277335 + ... + 17277914.

Almost surely, 210021022210 is an apocalyptic number.

10021022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10021022210 is a deficient number, since it is larger than the sum of its proper divisors (8638812790).

10021022210 is a wasteful number, since it uses less digits than its factorization.

10021022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34555285.

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

Adding to 10021022210 its reverse (1222012001), we get a palindrome (11243034211).

The spelling of 10021022210 in words is "ten billion, twenty-one million, twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 29 58 145 290 34555249 69110498 172776245 345552490 1002102221 2004204442 5010511105 10021022210