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834937389925 = 52160120860397
BaseRepresentation
bin11000010011001100010…
…01011000001101100101
32221211010020000001001021
430021212021120031211
5102134422432434200
61435322005531141
7114215345500462
oct14114611301545
92854106001037
10834937389925
112a2105431971
12115996a13ab1
136097121b372
142c5a8414669
1516aba60641a
hexc266258365

834937389925 has 12 divisors (see below), whose sum is σ = 1035969085476. Its totient is φ = 667532672000.

The previous prime is 834937389919. The next prime is 834937389947. The reversal of 834937389925 is 529983739438.

It can be written as a sum of positive squares in 6 ways, for example, as 73379224996 + 761558164929 = 270886^2 + 872673^2 .

It is not a de Polignac number, because 834937389925 - 235 = 800577651557 is a prime.

It is a Duffinian number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 10390174 + ... + 10470223.

It is an arithmetic number, because the mean of its divisors is an integer number (86330757123).

Almost surely, 2834937389925 is an apocalyptic number.

It is an amenable number.

834937389925 is a deficient number, since it is larger than the sum of its proper divisors (201031695551).

834937389925 is a wasteful number, since it uses less digits than its factorization.

834937389925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20862008 (or 20862003 counting only the distinct ones).

The product of its digits is 352719360, while the sum is 70.

The spelling of 834937389925 in words is "eight hundred thirty-four billion, nine hundred thirty-seven million, three hundred eighty-nine thousand, nine hundred twenty-five".

Divisors: 1 5 25 1601 8005 40025 20860397 104301985 521509925 33397495597 166987477985 834937389925