Base | Representation |
---|---|
bin | 10010000001000… |
… | …01001010100001 |
3 | 101112101020110111 |
4 | 21000201022201 |
5 | 302142141120 |
6 | 22555131321 |
7 | 3513406351 |
oct | 1100411241 |
9 | 345336414 |
10 | 151130785 |
11 | 78344883 |
12 | 42743b41 |
13 | 25406800 |
14 | 16100b61 |
15 | d40475a |
hex | 90212a1 |
151130785 has 12 divisors (see below), whose sum is σ = 196381692. Its totient is φ = 111603648.
The previous prime is 151130747. The next prime is 151130831. The reversal of 151130785 is 587031151.
It can be written as a sum of positive squares in 6 ways, for example, as 24433249 + 126697536 = 4943^2 + 11256^2 .
It is not a de Polignac number, because 151130785 - 211 = 151128737 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88582 + ... + 90271.
It is an arithmetic number, because the mean of its divisors is an integer number (16365141).
Almost surely, 2151130785 is an apocalyptic number.
It is an amenable number.
151130785 is a deficient number, since it is larger than the sum of its proper divisors (45250907).
151130785 is a wasteful number, since it uses less digits than its factorization.
151130785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178884 (or 178871 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 31.
The square root of 151130785 is about 12293.5261418358. The cubic root of 151130785 is about 532.6610972684.
The spelling of 151130785 in words is "one hundred fifty-one million, one hundred thirty thousand, seven hundred eighty-five".
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