Base | Representation |
---|---|
bin | 100000001101111… |
… | …0110100000011111 |
3 | 2210100011200011201 |
4 | 1000123312200133 |
5 | 4203221333400 |
6 | 255134300331 |
7 | 35534466535 |
oct | 10033664037 |
9 | 2710150151 |
10 | 1081042975 |
11 | 505247651 |
12 | 2620576a7 |
13 | 142c741cc |
14 | a3806155 |
15 | 64d8e06a |
hex | 406f681f |
1081042975 has 12 divisors (see below), whose sum is σ = 1349375440. Its totient is φ = 859104000.
The previous prime is 1081042973. The next prime is 1081042979. The reversal of 1081042975 is 5792401801.
It is not a de Polignac number, because 1081042975 - 21 = 1081042973 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1081042973) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139410 + ... + 146959.
Almost surely, 21081042975 is an apocalyptic number.
1081042975 is a deficient number, since it is larger than the sum of its proper divisors (268332465).
1081042975 is a wasteful number, since it uses less digits than its factorization.
1081042975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 286530 (or 286525 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 37.
The square root of 1081042975 is about 32879.2179803596. The cubic root of 1081042975 is about 1026.3157325178.
The spelling of 1081042975 in words is "one billion, eighty-one million, forty-two thousand, nine hundred seventy-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •