Base | Representation |
---|---|
bin | 10001111001011… |
… | …00100100010111 |
3 | 101110111100011100 |
4 | 20330230210113 |
5 | 301413111134 |
6 | 22521441143 |
7 | 3502034433 |
oct | 1074544427 |
9 | 343440140 |
10 | 150128919 |
11 | 77820096 |
12 | 423401b3 |
13 | 251457a5 |
14 | 15d1d9c3 |
15 | d2a7999 |
hex | 8f2c917 |
150128919 has 12 divisors (see below), whose sum is σ = 216988200. Its totient is φ = 100023504.
The previous prime is 150128917. The next prime is 150128929. The reversal of 150128919 is 919821051.
150128919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 150128919 - 21 = 150128917 is a prime.
It is a super-2 number, since 2×1501289192 = 45077384640217122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (150128917) 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, 13597 + ... + 22025.
It is an arithmetic number, because the mean of its divisors is an integer number (18082350).
Almost surely, 2150128919 is an apocalyptic number.
150128919 is a deficient number, since it is larger than the sum of its proper divisors (66859281).
150128919 is a wasteful number, since it uses less digits than its factorization.
150128919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10414 (or 10411 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 36.
The square root of 150128919 is about 12252.7106796823. The cubic root of 150128919 is about 531.4814597591.
The spelling of 150128919 in words is "one hundred fifty million, one hundred twenty-eight thousand, nine hundred nineteen".
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