Base | Representation |
---|---|
bin | 10010101000100… |
… | …11000111110101 |
3 | 101220010200110000 |
4 | 21110103013311 |
5 | 310004104044 |
6 | 23302221513 |
7 | 3605444133 |
oct | 1124230765 |
9 | 356120400 |
10 | 156316149 |
11 | 80266700 |
12 | 44424899 |
13 | 26500a82 |
14 | 16a90753 |
15 | dacad69 |
hex | 95131f5 |
156316149 has 60 divisors (see below), whose sum is σ = 263603340. Its totient is φ = 92188800.
The previous prime is 156316109. The next prime is 156316163. The reversal of 156316149 is 941613651.
156316149 is a `hidden beast` number, since 1 + 5 + 6 + 31 + 614 + 9 = 666.
156316149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 19847025 + 136469124 = 4455^2 + 11682^2 .
It is not a de Polignac number, because 156316149 - 211 = 156314101 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (156316109) by changing a digit.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 401647 + ... + 402035.
It is an arithmetic number, because the mean of its divisors is an integer number (4393389).
Almost surely, 2156316149 is an apocalyptic number.
It is an amenable number.
156316149 is a deficient number, since it is larger than the sum of its proper divisors (107287191).
156316149 is a wasteful number, since it uses less digits than its factorization.
156316149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 464 (or 444 counting only the distinct ones).
The product of its digits is 19440, while the sum is 36.
The square root of 156316149 is about 12502.6456800151. The cubic root of 156316149 is about 538.6846690913.
The spelling of 156316149 in words is "one hundred fifty-six million, three hundred sixteen thousand, one hundred forty-nine".
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