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4205102052 = 2232315235877
BaseRepresentation
bin1111101010100100…
…1100001111100100
3101212001122022120110
43322221030033210
532103001231202
61533133533020
7206130530514
oct37251141744
911761568513
104205102052
111868741458
12994344170
13520274088
142bc6a3844
1519928b26c
hexfaa4c3e4

4205102052 has 24 divisors (see below), whose sum is σ = 10238510016. Its totient is φ = 1340757088.

The previous prime is 4205102023. The next prime is 4205102063. The reversal of 4205102052 is 2502015024.

It is a happy number.

It is a super-2 number, since 2×42051020522 = 35365766535469221408, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 7617663 + ... + 7618214.

It is an arithmetic number, because the mean of its divisors is an integer number (426604584).

Almost surely, 24205102052 is an apocalyptic number.

It is an amenable number.

4205102052 is an abundant number, since it is smaller than the sum of its proper divisors (6033407964).

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

4205102052 is a wasteful number, since it uses less digits than its factorization.

4205102052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15235907 (or 15235905 counting only the distinct ones).

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

The square root of 4205102052 is about 64846.7582227516. The cubic root of 4205102052 is about 1614.0816988690.

Adding to 4205102052 its reverse (2502015024), we get a palindrome (6707117076).

The spelling of 4205102052 in words is "four billion, two hundred five million, one hundred two thousand, fifty-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 15235877 30471754 45707631 60943508 91415262 182830524 350425171 700850342 1051275513 1401700684 2102551026 4205102052