Base | Representation |
---|---|
bin | 101100001000111… |
… | …0110001000011101 |
3 | 10211012220022110021 |
4 | 1120101312020131 |
5 | 11013123320211 |
6 | 402544312141 |
7 | 51462625420 |
oct | 13021661035 |
9 | 3735808407 |
10 | 1481073181 |
11 | 6a0033225 |
12 | 354012651 |
13 | 1a7ac6483 |
14 | 1009b79b7 |
15 | 8a05b771 |
hex | 5847621d |
1481073181 has 16 divisors (see below), whose sum is σ = 1784073600. Its totient is φ = 1202580288.
The previous prime is 1481073169. The next prime is 1481073193. The reversal of 1481073181 is 1813701841.
It is an interprime number because it is at equal distance from previous prime (1481073169) and next prime (1481073193).
It is not a de Polignac number, because 1481073181 - 25 = 1481073149 is a prime.
It is a super-2 number, since 2×14810731812 = 4387155534954917522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1481073131) 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, 58071 + ... + 79588.
It is an arithmetic number, because the mean of its divisors is an integer number (111504600).
Almost surely, 21481073181 is an apocalyptic number.
It is an amenable number.
1481073181 is a deficient number, since it is larger than the sum of its proper divisors (303000419).
1481073181 is a wasteful number, since it uses less digits than its factorization.
1481073181 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137748.
The product of its (nonzero) digits is 5376, while the sum is 34.
The square root of 1481073181 is about 38484.7136016367. The cubic root of 1481073181 is about 1139.8792272282.
The spelling of 1481073181 in words is "one billion, four hundred eighty-one million, seventy-three thousand, one hundred eighty-one".
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