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10030442221 = 173746734147
BaseRepresentation
bin10010101011101110…
…00110011011101101
3221220001001021000001
421111313012123231
5131020243122341
64335151104301
7503364231532
oct112567063355
927801037001
1010030442221
114287a17778
121b3b212091
13c3b0b8817
146b2208d89
153da8c2d31
hex255dc66ed

10030442221 has 16 divisors (see below), whose sum is σ = 10931184576. Its totient is φ = 9165332736.

The previous prime is 10030442207. The next prime is 10030442239. The reversal of 10030442221 is 12224403001.

It is a cyclic number.

It is not a de Polignac number, because 10030442221 - 25 = 10030442189 is a prime.

It is a super-2 number, since 2×100304422212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10030442921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276670 + ... + 310816.

It is an arithmetic number, because the mean of its divisors is an integer number (683199036).

Almost surely, 210030442221 is an apocalyptic number.

It is an amenable number.

10030442221 is a deficient number, since it is larger than the sum of its proper divisors (900742355).

10030442221 is a wasteful number, since it uses less digits than its factorization.

10030442221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34668.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 10030442221 its reverse (12224403001), we get a palindrome (22254845222).

The spelling of 10030442221 in words is "ten billion, thirty million, four hundred forty-two thousand, two hundred twenty-one".

Divisors: 1 17 37 467 629 7939 17279 34147 293743 580499 1263439 15946649 21478463 271093033 590026013 10030442221