Base | Representation |
---|---|
bin | 1001110101111010111… |
… | …0011010011011001001 |
3 | 121011110101012212000221 |
4 | 2131132232122123021 |
5 | 10232300243342310 |
6 | 205402532430041 |
7 | 15134165233441 |
oct | 2353656323311 |
9 | 534411185027 |
10 | 169092949705 |
11 | 6579161a929 |
12 | 28930a78321 |
13 | 12c3a062634 |
14 | 8281403121 |
15 | 45e9dc9ada |
hex | 275eb9a6c9 |
169092949705 has 8 divisors (see below), whose sum is σ = 204707217672. Its totient is φ = 134077241088.
The previous prime is 169092949703. The next prime is 169092949733. The reversal of 169092949705 is 507949290961.
It can be written as a sum of positive squares in 4 ways, for example, as 18741336201 + 150351613504 = 136899^2 + 387752^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 169092949705 - 21 = 169092949703 is a prime.
It is a super-3 number, since 3×1690929497053 (a number of 35 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (169092949703) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149639214 + ... + 149640343.
It is an arithmetic number, because the mean of its divisors is an integer number (25588402209).
Almost surely, 2169092949705 is an apocalyptic number.
It is an amenable number.
169092949705 is a deficient number, since it is larger than the sum of its proper divisors (35614267967).
169092949705 is a wasteful number, since it uses less digits than its factorization.
169092949705 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 299279675.
The product of its (nonzero) digits is 11022480, while the sum is 61.
The spelling of 169092949705 in words is "one hundred sixty-nine billion, ninety-two million, nine hundred forty-nine thousand, seven hundred five".
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