Base | Representation |
---|---|
bin | 1100001111100… |
… | …01000010100001 |
3 | 21011020122202221 |
4 | 12013301002201 |
5 | 202242333134 |
6 | 14105111041 |
7 | 2354633326 |
oct | 607610241 |
9 | 234218687 |
10 | 102699169 |
11 | 52a75451 |
12 | 2a488481 |
13 | 1837a251 |
14 | d8d4b4d |
15 | 90395b4 |
hex | 61f10a1 |
102699169 has 4 divisors (see below), whose sum is σ = 102811840. Its totient is φ = 102586500.
The previous prime is 102699167. The next prime is 102699197. The reversal of 102699169 is 961996201.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 102699169 - 21 = 102699167 is a prime.
It is a super-2 number, since 2×1026991692 = 21094238626581122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102699167) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54957 + ... + 56794.
It is an arithmetic number, because the mean of its divisors is an integer number (25702960).
Almost surely, 2102699169 is an apocalyptic number.
It is an amenable number.
102699169 is a deficient number, since it is larger than the sum of its proper divisors (112671).
102699169 is an equidigital number, since it uses as much as digits as its factorization.
102699169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112670.
The product of its (nonzero) digits is 52488, while the sum is 43.
The square root of 102699169 is about 10134.0598478596. The cubic root of 102699169 is about 468.2980073517.
The spelling of 102699169 in words is "one hundred two million, six hundred ninety-nine thousand, one hundred sixty-nine".
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