Base | Representation |
---|---|
bin | 100000011000101… |
… | …0111000100000001 |
3 | 2210201210010120020 |
4 | 1000301113010001 |
5 | 4211142300340 |
6 | 255455204053 |
7 | 35633432121 |
oct | 10061270401 |
9 | 2721703506 |
10 | 1086681345 |
11 | 508448862 |
12 | 263b16629 |
13 | 144199719 |
14 | a4472c81 |
15 | 656049d0 |
hex | 40c57101 |
1086681345 has 32 divisors (see below), whose sum is σ = 1909785600. Its totient is φ = 525184704.
The previous prime is 1086681329. The next prime is 1086681371. The reversal of 1086681345 is 5431866801.
It is not a de Polignac number, because 1086681345 - 24 = 1086681329 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1086681297 and 1086681306.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76335 + ... + 89444.
It is an arithmetic number, because the mean of its divisors is an integer number (59680800).
Almost surely, 21086681345 is an apocalyptic number.
1086681345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1086681345 is a deficient number, since it is larger than the sum of its proper divisors (823104255).
1086681345 is a wasteful number, since it uses less digits than its factorization.
1086681345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165829.
The product of its (nonzero) digits is 138240, while the sum is 42.
The square root of 1086681345 is about 32964.8501437516. The cubic root of 1086681345 is about 1028.0969494908.
The spelling of 1086681345 in words is "one billion, eighty-six million, six hundred eighty-one thousand, three hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •