Base | Representation |
---|---|
bin | 1001010111111100011… |
… | …1001011110111111101 |
3 | 120101200121011202112211 |
4 | 2111333013023313331 |
5 | 10114310333130104 |
6 | 201552250500421 |
7 | 14430610433563 |
oct | 2257707136775 |
9 | 511617152484 |
10 | 161046380029 |
11 | 62332534a47 |
12 | 27266134711 |
13 | 12256c955c2 |
14 | 7b1a895a33 |
15 | 42c8780e04 |
hex | 257f1cbdfd |
161046380029 has 6 divisors (see below), whose sum is σ = 168352832606. Its totient is φ = 154044363000.
The previous prime is 161046380009. The next prime is 161046380039. The reversal of 161046380029 is 920083640161.
It can be written as a sum of positive squares in only one way, i.e., 137292480900 + 23753899129 = 370530^2 + 154123^2 .
It is not a de Polignac number, because 161046380029 - 235 = 126686641661 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 161046379973 and 161046380000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161046380009) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152217222 + ... + 152218279.
Almost surely, 2161046380029 is an apocalyptic number.
It is an amenable number.
161046380029 is a deficient number, since it is larger than the sum of its proper divisors (7306452577).
161046380029 is an equidigital number, since it uses as much as digits as its factorization.
161046380029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 304435547 (or 304435524 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 40.
The spelling of 161046380029 in words is "one hundred sixty-one billion, forty-six million, three hundred eighty thousand, twenty-nine".
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