Base | Representation |
---|---|
bin | 10010000000001… |
… | …01111010000100 |
3 | 101112011120022111 |
4 | 21000011322010 |
5 | 302130103030 |
6 | 22552510404 |
7 | 3512433016 |
oct | 1100057204 |
9 | 345146274 |
10 | 151019140 |
11 | 78278a08 |
12 | 426ab404 |
13 | 25397a4c |
14 | 160b21b6 |
15 | d3d162a |
hex | 9005e84 |
151019140 has 12 divisors (see below), whose sum is σ = 317140236. Its totient is φ = 60407648.
The previous prime is 151019137. The next prime is 151019149. The reversal of 151019140 is 41910151.
It can be written as a sum of positive squares in 2 ways, for example, as 25220484 + 125798656 = 5022^2 + 11216^2 .
It is not an unprimeable number, because it can be changed into a prime (151019149) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3775459 + ... + 3775498.
It is an arithmetic number, because the mean of its divisors is an integer number (26428353).
Almost surely, 2151019140 is an apocalyptic number.
151019140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
151019140 is an abundant number, since it is smaller than the sum of its proper divisors (166121096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151019140 is a wasteful number, since it uses less digits than its factorization.
151019140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7550966 (or 7550964 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 22.
The square root of 151019140 is about 12288.9844983221. The cubic root of 151019140 is about 532.5299005303.
Adding to 151019140 its reverse (41910151), we get a palindrome (192929291).
The spelling of 151019140 in words is "one hundred fifty-one million, nineteen thousand, one hundred forty".
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