Base | Representation |
---|---|
bin | 10010010000000… |
… | …11101011000010 |
3 | 101200002122111202 |
4 | 21020003223002 |
5 | 303143412023 |
6 | 23105341202 |
7 | 3536250332 |
oct | 1110035302 |
9 | 350078452 |
10 | 153107138 |
11 | 79474728 |
12 | 43337802 |
13 | 25949252 |
14 | 164970c2 |
15 | d695128 |
hex | 9203ac2 |
153107138 has 4 divisors (see below), whose sum is σ = 229660710. Its totient is φ = 76553568.
The previous prime is 153107137. The next prime is 153107179. The reversal of 153107138 is 831701351.
153107138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 103164649 + 49942489 = 10157^2 + 7067^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 153107138.
It is not an unprimeable number, because it can be changed into a prime (153107137) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38276783 + ... + 38276786.
Almost surely, 2153107138 is an apocalyptic number.
153107138 is a deficient number, since it is larger than the sum of its proper divisors (76553572).
153107138 is an equidigital number, since it uses as much as digits as its factorization.
153107138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76553571.
The product of its (nonzero) digits is 2520, while the sum is 29.
The square root of 153107138 is about 12373.6469159258. The cubic root of 153107138 is about 534.9729371701.
Adding to 153107138 its reverse (831701351), we get a palindrome (984808489).
The spelling of 153107138 in words is "one hundred fifty-three million, one hundred seven thousand, one hundred thirty-eight".
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