Base | Representation |
---|---|
bin | 101100110100010101… |
… | …110000010000010001 |
3 | 11121012202110101221100 |
4 | 230310111300100101 |
5 | 1242023411230121 |
6 | 34035101415013 |
7 | 3322345460322 |
oct | 546425602021 |
9 | 147182411840 |
10 | 48122758161 |
11 | 19455051515 |
12 | 93b026a469 |
13 | 46cbb76b3a |
14 | 24872ac449 |
15 | 13b9b80026 |
hex | b34570411 |
48122758161 has 27 divisors (see below), whose sum is σ = 70438170907. Its totient is φ = 31659334080.
The previous prime is 48122758153. The next prime is 48122758181. The reversal of 48122758161 is 16185722184.
The square root of 48122758161 is 219369.
It is a perfect power (a square), and thus also a powerful number.
48122758161 is a `hidden beast` number, since 4 + 8 + 1 + 2 + 2 + 7 + 581 + 61 = 666.
It can be written as a sum of positive squares in only one way, i.e., 8442118161 + 39680640000 = 91881^2 + 199200^2 .
It is not a de Polignac number, because 48122758161 - 23 = 48122758153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (48122758111) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 54622441 + ... + 54623321.
Almost surely, 248122758161 is an apocalyptic number.
48122758161 is the 219369-th square number.
48122758161 is the 109685-th centered octagonal number.
It is an amenable number.
48122758161 is a deficient number, since it is larger than the sum of its proper divisors (22315412746).
48122758161 is an frugal number, since it uses more digits than its factorization.
48122758161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1934 (or 967 counting only the distinct ones).
The product of its digits is 215040, while the sum is 45.
The spelling of 48122758161 in words is "forty-eight billion, one hundred twenty-two million, seven hundred fifty-eight thousand, one hundred sixty-one".
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