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834292687225 = 52171963041617
BaseRepresentation
bin11000010001111111011…
…10000010000101111001
32221202110021212202012111
430020333232002011321
5102132112411442400
61435134015412321
7114163356555664
oct14107756020571
92852407782174
10834292687225
112a1904521218
12115836b240a1
136089a7a058a
142c5469526db
1516a7dc083ba
hexc23fb82179

834292687225 has 12 divisors (see below), whose sum is σ = 1095377222844. Its totient is φ = 628173317120.

The previous prime is 834292687223. The next prime is 834292687279. The reversal of 834292687225 is 522786292438.

834292687225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 26345185344 + 807947501881 = 162312^2 + 898859^2 .

It is not a de Polignac number, because 834292687225 - 21 = 834292687223 is a prime.

It is a super-2 number, since 2×8342926872252 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 834292687225.

It is not an unprimeable number, because it can be changed into a prime (834292687223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 981520384 + ... + 981521233.

It is an arithmetic number, because the mean of its divisors is an integer number (91281435237).

Almost surely, 2834292687225 is an apocalyptic number.

834292687225 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

834292687225 is a deficient number, since it is larger than the sum of its proper divisors (261084535619).

834292687225 is a wasteful number, since it uses less digits than its factorization.

834292687225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963041644 (or 1963041639 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 58.

The spelling of 834292687225 in words is "eight hundred thirty-four billion, two hundred ninety-two million, six hundred eighty-seven thousand, two hundred twenty-five".

Divisors: 1 5 17 25 85 425 1963041617 9815208085 33371707489 49076040425 166858537445 834292687225