Base | Representation |
---|---|
bin | 100000010101111… |
… | …0110101101111101 |
3 | 2210122001210212020 |
4 | 1000223312231331 |
5 | 4210310110031 |
6 | 255404230353 |
7 | 35615241411 |
oct | 10053665575 |
9 | 2718053766 |
10 | 1085238141 |
11 | 507652529 |
12 | 26353b3b9 |
13 | 143ab2860 |
14 | a41b8d41 |
15 | 6541c096 |
hex | 40af6b7d |
1085238141 has 16 divisors (see below), whose sum is σ = 1626043776. Its totient is φ = 638801856.
The previous prime is 1085238139. The next prime is 1085238149. The reversal of 1085238141 is 1418325801.
It is not a de Polignac number, because 1085238141 - 21 = 1085238139 is a prime.
It is a super-2 number, since 2×10852381412 = 2355483645362271762, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1085238149) 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, 604030 + ... + 605823.
It is an arithmetic number, because the mean of its divisors is an integer number (101627736).
Almost surely, 21085238141 is an apocalyptic number.
It is an amenable number.
1085238141 is a deficient number, since it is larger than the sum of its proper divisors (540805635).
1085238141 is a wasteful number, since it uses less digits than its factorization.
1085238141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1209892.
The product of its (nonzero) digits is 7680, while the sum is 33.
The square root of 1085238141 is about 32942.9528275776. The cubic root of 1085238141 is about 1027.6416148545.
The spelling of 1085238141 in words is "one billion, eighty-five million, two hundred thirty-eight thousand, one hundred forty-one".
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