Base | Representation |
---|---|
bin | 1001010111110001011… |
… | …1001001111110010011 |
3 | 120101120101100100022221 |
4 | 2111330113021332103 |
5 | 10114212030004044 |
6 | 201543521441511 |
7 | 14426510262640 |
oct | 2257427117623 |
9 | 511511310287 |
10 | 161000234899 |
11 | 62309487479 |
12 | 272527a0297 |
13 | 1224a5599aa |
14 | 7b146c2dc7 |
15 | 42c46b8484 |
hex | 257c5c9f93 |
161000234899 has 32 divisors (see below), whose sum is σ = 192904851456. Its totient is φ = 131379874560.
The previous prime is 161000234891. The next prime is 161000234909. The reversal of 161000234899 is 998432000161.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 161000234899 - 23 = 161000234891 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (161000234891) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31709149 + ... + 31714225.
It is an arithmetic number, because the mean of its divisors is an integer number (6028276608).
Almost surely, 2161000234899 is an apocalyptic number.
161000234899 is a deficient number, since it is larger than the sum of its proper divisors (31904616557).
161000234899 is a wasteful number, since it uses less digits than its factorization.
161000234899 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5995.
The product of its (nonzero) digits is 93312, while the sum is 43.
The spelling of 161000234899 in words is "one hundred sixty-one billion, two hundred thirty-four thousand, eight hundred ninety-nine".
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