Base | Representation |
---|---|
bin | 100000010000000… |
… | …0101111110110011 |
3 | 2210102021011111021 |
4 | 1000200011332303 |
5 | 4204012424211 |
6 | 255214200311 |
7 | 35550110434 |
oct | 10040057663 |
9 | 2712234437 |
10 | 1082154931 |
11 | 505937020 |
12 | 2624b3097 |
13 | 143273380 |
14 | a3a1548b |
15 | 6500d771 |
hex | 40805fb3 |
1082154931 has 32 divisors (see below), whose sum is σ = 1320883200. Its totient is φ = 873396480.
The previous prime is 1082154919. The next prime is 1082154959. The reversal of 1082154931 is 1394512801.
It is not a de Polignac number, because 1082154931 - 27 = 1082154803 is a prime.
It is a super-2 number, since 2×10821549312 = 2342118589375229522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1082154961) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395175 + ... + 397903.
It is an arithmetic number, because the mean of its divisors is an integer number (41277600).
Almost surely, 21082154931 is an apocalyptic number.
1082154931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1082154931 is a deficient number, since it is larger than the sum of its proper divisors (238728269).
1082154931 is a wasteful number, since it uses less digits than its factorization.
1082154931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2859.
The product of its (nonzero) digits is 8640, while the sum is 34.
The square root of 1082154931 is about 32896.1233430324. The cubic root of 1082154931 is about 1026.6674998705.
The spelling of 1082154931 in words is "one billion, eighty-two million, one hundred fifty-four thousand, nine hundred thirty-one".
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