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10694620089169 = 1021232032
BaseRepresentation
bin1001101110100000100100…
…0010000000101101010001
31101212101200110110212022121
42123220021002000231101
52400210040220323134
634425012440134241
72152442440601512
oct233501102005521
941771613425277
1010694620089169
113453621261015
121248832767381
135c7662b3a173
1428d89db1aa09
151382d1a4cab4
hex9ba09080b51

10694620089169 has 9 divisors (see below), whose sum is σ = 10708448256219. Its totient is φ = 10680809768520.

The previous prime is 10694620089157. The next prime is 10694620089217. The reversal of 10694620089169 is 96198002649601.

The square root of 10694620089169 is 3270263.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6225708648769 + 4468911440400 = 2495137^2 + 2113980^2 .

It is a de Polignac number, because none of the positive numbers 2k-10694620089169 is a prime.

It is a super-2 number, since 2×106946200891692 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10694620069169) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3338936922 + ... + 3338940124.

Almost surely, 210694620089169 is an apocalyptic number.

10694620089169 is the 3270263-rd square number.

10694620089169 is the 1635132-nd centered octagonal number.

It is an amenable number.

10694620089169 is a deficient number, since it is larger than the sum of its proper divisors (13828167050).

10694620089169 is an frugal number, since it uses more digits than its factorization.

10694620089169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8448 (or 4224 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 61.

The spelling of 10694620089169 in words is "ten trillion, six hundred ninety-four billion, six hundred twenty million, eighty-nine thousand, one hundred sixty-nine".

Divisors: 1 1021 3203 1042441 3270263 10259209 3338938523 10474652389 10694620089169