Base | Representation |
---|---|
bin | 10011000110010001… |
… | …00011100010000101 |
3 | 222110120001112210000 |
4 | 21203020203202011 |
5 | 131444244343134 |
6 | 4413223551513 |
7 | 512040045000 |
oct | 114310434205 |
9 | 28416045700 |
10 | 10253121669 |
11 | 439169007a |
12 | 1ba18bb599 |
13 | c752839cb |
14 | 6d3a12537 |
15 | 40020be99 |
hex | 263223885 |
10253121669 has 80 divisors (see below), whose sum is σ = 18033840000. Its totient is φ = 5802487488.
The previous prime is 10253121667. The next prime is 10253121679. The reversal of 10253121669 is 96612135201.
10253121669 is a `hidden beast` number, since 102 + 531 + 2 + 16 + 6 + 9 = 666.
It is not a de Polignac number, because 10253121669 - 21 = 10253121667 is a prime.
It is a super-2 number, since 2×102531216692 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10253121667) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2971057 + ... + 2974505.
It is an arithmetic number, because the mean of its divisors is an integer number (225423000).
Almost surely, 210253121669 is an apocalyptic number.
It is an amenable number.
10253121669 is a deficient number, since it is larger than the sum of its proper divisors (7780718331).
10253121669 is an equidigital number, since it uses as much as digits as its factorization.
10253121669 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3589 (or 3566 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 36.
The spelling of 10253121669 in words is "ten billion, two hundred fifty-three million, one hundred twenty-one thousand, six hundred sixty-nine".
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