Base | Representation |
---|---|
bin | 100100101001110011000111… |
… | …000111111111001010111011 |
3 | 210010202202200021002021102211 |
4 | 210221303013013333022323 |
5 | 132112113301122010321 |
6 | 1330503111223235551 |
7 | 45645315104642641 |
oct | 4451630707771273 |
9 | 703682607067384 |
10 | 161202053313211 |
11 | 47400452625a39 |
12 | 160b60555a8bb7 |
13 | 6bc4399801961 |
14 | 2bb4314649191 |
15 | 139837e4520e1 |
hex | 929cc71ff2bb |
161202053313211 has 16 divisors (see below), whose sum is σ = 167910848588160. Its totient is φ = 154573601495040.
The previous prime is 161202053313163. The next prime is 161202053313263. The reversal of 161202053313211 is 112313350202161.
It is a cyclic number.
It is not a de Polignac number, because 161202053313211 - 219 = 161202052788923 is a prime.
It is a super-2 number, since 2×1612020533132112 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (161202053313281) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30306550 + ... + 35226283.
It is an arithmetic number, because the mean of its divisors is an integer number (10494428036760).
Almost surely, 2161202053313211 is an apocalyptic number.
161202053313211 is a deficient number, since it is larger than the sum of its proper divisors (6708795274949).
161202053313211 is a wasteful number, since it uses less digits than its factorization.
161202053313211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65533446.
The product of its (nonzero) digits is 6480, while the sum is 31.
The spelling of 161202053313211 in words is "one hundred sixty-one trillion, two hundred two billion, fifty-three million, three hundred thirteen thousand, two hundred eleven".
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