Base | Representation |
---|---|
bin | 10011000110001101… |
… | …11001000100110001 |
3 | 222110112020101121221 |
4 | 21203012321010301 |
5 | 131444141414432 |
6 | 4413210345041 |
7 | 512033250466 |
oct | 114306710461 |
9 | 28415211557 |
10 | 10252685617 |
11 | 43914124a9 |
12 | 1ba172b181 |
13 | c751603a5 |
14 | 6d393b66d |
15 | 400172b97 |
hex | 2631b9131 |
10252685617 has 4 divisors (see below), whose sum is σ = 10252934260. Its totient is φ = 10252436976.
The previous prime is 10252685587. The next prime is 10252685629. The reversal of 10252685617 is 71658625201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71658625201 = 227 ⋅315676763.
It can be written as a sum of positive squares in 2 ways, for example, as 4585456656 + 5667228961 = 67716^2 + 75281^2 .
It is a cyclic number.
It is not a de Polignac number, because 10252685617 - 215 = 10252652849 is a prime.
It is a super-2 number, since 2×102526856172 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10252685657) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46038 + ... + 150415.
It is an arithmetic number, because the mean of its divisors is an integer number (2563233565).
Almost surely, 210252685617 is an apocalyptic number.
It is an amenable number.
10252685617 is a deficient number, since it is larger than the sum of its proper divisors (248643).
10252685617 is an equidigital number, since it uses as much as digits as its factorization.
10252685617 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 248642.
The product of its (nonzero) digits is 201600, while the sum is 43.
The spelling of 10252685617 in words is "ten billion, two hundred fifty-two million, six hundred eighty-five thousand, six hundred seventeen".
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