Base | Representation |
---|---|
bin | 1001010111110100000… |
… | …0001111111011111101 |
3 | 120101121010121122012010 |
4 | 2111331000033323331 |
5 | 10114222304212404 |
6 | 201544544401433 |
7 | 14430000660102 |
oct | 2257500177375 |
9 | 511533548163 |
10 | 161011007229 |
11 | 62314574926 |
12 | 27256316279 |
13 | 1224c85bc57 |
14 | 7b15cc8aa9 |
15 | 42c55e5189 |
hex | 257d00fefd |
161011007229 has 8 divisors (see below), whose sum is σ = 221606547712. Its totient is φ = 103878069120.
The previous prime is 161011007219. The next prime is 161011007233. The reversal of 161011007229 is 922700110161.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 161011007229 - 25 = 161011007197 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 161011007196 and 161011007205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161011007219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865650484 + ... + 865650669.
It is an arithmetic number, because the mean of its divisors is an integer number (27700818464).
Almost surely, 2161011007229 is an apocalyptic number.
It is an amenable number.
161011007229 is a deficient number, since it is larger than the sum of its proper divisors (60595540483).
161011007229 is a wasteful number, since it uses less digits than its factorization.
161011007229 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1731301187.
The product of its (nonzero) digits is 1512, while the sum is 30.
The spelling of 161011007229 in words is "one hundred sixty-one billion, eleven million, seven thousand, two hundred twenty-nine".
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