Base | Representation |
---|---|
bin | 10000010101011… |
… | …10101000000001 |
3 | 100112211212000120 |
4 | 20022232220001 |
5 | 240034431040 |
6 | 21333010453 |
7 | 3252510540 |
oct | 1012565001 |
9 | 315755016 |
10 | 137030145 |
11 | 7039385a |
12 | 39a83a29 |
13 | 2250a635 |
14 | 142b0157 |
15 | c06b7d0 |
hex | 82aea01 |
137030145 has 32 divisors (see below), whose sum is σ = 255909888. Its totient is φ = 61307328.
The previous prime is 137030143. The next prime is 137030167. The reversal of 137030145 is 541030731.
It is not a de Polignac number, because 137030145 - 21 = 137030143 is a prime.
It is not an unprimeable number, because it can be changed into a prime (137030143) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8949 + ... + 18818.
It is an arithmetic number, because the mean of its divisors is an integer number (7997184).
Almost surely, 2137030145 is an apocalyptic number.
137030145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
137030145 is a deficient number, since it is larger than the sum of its proper divisors (118879743).
137030145 is a wasteful number, since it uses less digits than its factorization.
137030145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27829.
The product of its (nonzero) digits is 1260, while the sum is 24.
The square root of 137030145 is about 11705.9875704701. The cubic root of 137030145 is about 515.5514813822.
Adding to 137030145 its reverse (541030731), we get a palindrome (678060876).
The spelling of 137030145 in words is "one hundred thirty-seven million, thirty thousand, one hundred forty-five".
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