Base | Representation |
---|---|
bin | 1001110101101011111… |
… | …1111000111110110010 |
3 | 121011022000120010202200 |
4 | 2131122333320332302 |
5 | 10232133242004300 |
6 | 205352420324030 |
7 | 15132505612311 |
oct | 2353277707662 |
9 | 534260503680 |
10 | 169030422450 |
11 | 6575a2a320a |
12 | 28913b43616 |
13 | 12c2a10c266 |
14 | 8276da8278 |
15 | 45e4678200 |
hex | 275aff8fb2 |
169030422450 has 54 divisors (see below), whose sum is σ = 454151834487. Its totient is φ = 45072453600.
The previous prime is 169030422443. The next prime is 169030422557. The reversal of 169030422450 is 54224030961.
It is a happy number.
169030422450 is a `hidden beast` number, since 169 + 0 + 3 + 0 + 42 + 2 + 450 = 666.
It can be written as a sum of positive squares in 5 ways, for example, as 109500766281 + 59529656169 = 330909^2 + 243987^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=290715.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8711760 + ... + 8731140.
Almost surely, 2169030422450 is an apocalyptic number.
169030422450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
169030422450 is an abundant number, since it is smaller than the sum of its proper divisors (285121412037).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
169030422450 is an frugal number, since it uses more digits than its factorization.
169030422450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38780 (or 19391 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The spelling of 169030422450 in words is "one hundred sixty-nine billion, thirty million, four hundred twenty-two thousand, four hundred fifty".
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