Base | Representation |
---|---|
bin | 11011001010001000… |
… | …011111111010101010 |
3 | 2210021021121202220212 |
4 | 123022020133322222 |
5 | 434210210414130 |
6 | 21221342021122 |
7 | 2051431442051 |
oct | 331210377252 |
9 | 83237552825 |
10 | 29161029290 |
11 | 11404705a08 |
12 | 5799b777a2 |
13 | 2999619023 |
14 | 15a8c57398 |
15 | b5a154e95 |
hex | 6ca21feaa |
29161029290 has 16 divisors (see below), whose sum is σ = 52492994568. Its totient is φ = 11663713536.
The previous prime is 29161029283. The next prime is 29161029301. The reversal of 29161029290 is 9292016192.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 22911968689 + 6249060601 = 151367^2 + 79051^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109214 + ... + 265046.
Almost surely, 229161029290 is an apocalyptic number.
29161029290 is a deficient number, since it is larger than the sum of its proper divisors (23331965278).
29161029290 is a wasteful number, since it uses less digits than its factorization.
29161029290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 174553.
The product of its (nonzero) digits is 34992, while the sum is 41.
The spelling of 29161029290 in words is "twenty-nine billion, one hundred sixty-one million, twenty-nine thousand, two hundred ninety".
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