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10020254205 = 351323952763
BaseRepresentation
bin10010101010100000…
…01111000111111101
3221212022212122200010
421111100033013331
5131010141113310
64334144453433
7503211520053
oct112520170775
927768778603
1010020254205
114282199325
121b3791a279
13c38c5c500
146b0b161d3
153d9a5e320
hex25540f1fd

10020254205 has 24 divisors (see below), whose sum is σ = 17360539488. Its totient is φ = 4933046976.

The previous prime is 10020254201. The next prime is 10020254207. The reversal of 10020254205 is 50245202001.

It is a happy number.

It is not a de Polignac number, because 10020254205 - 22 = 10020254201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020254201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1973847 + ... + 1978916.

It is an arithmetic number, because the mean of its divisors is an integer number (723355812).

Almost surely, 210020254205 is an apocalyptic number.

10020254205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10020254205 is a deficient number, since it is larger than the sum of its proper divisors (7340285283).

10020254205 is a wasteful number, since it uses less digits than its factorization.

10020254205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952797 (or 3952784 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 10020254205 its reverse (50245202001), we get a palindrome (60265456206).

The spelling of 10020254205 in words is "ten billion, twenty million, two hundred fifty-four thousand, two hundred five".

Divisors: 1 3 5 13 15 39 65 169 195 507 845 2535 3952763 11858289 19763815 51385919 59291445 154157757 256929595 668016947 770788785 2004050841 3340084735 10020254205