Base | Representation |
---|---|
bin | 10000100001101… |
… | …11111110010101 |
3 | 100122212201010000 |
4 | 20100313332111 |
5 | 240443010201 |
6 | 21431321513 |
7 | 3302301021 |
oct | 1020677625 |
9 | 318781100 |
10 | 138641301 |
11 | 71294297 |
12 | 3a520299 |
13 | 22952a96 |
14 | 145ad381 |
15 | c288d86 |
hex | 8437f95 |
138641301 has 10 divisors (see below), whose sum is σ = 207106262. Its totient is φ = 92427480.
The previous prime is 138641267. The next prime is 138641303. The reversal of 138641301 is 103146831.
138641301 is a `hidden beast` number, since 13 + 8 + 641 + 3 + 0 + 1 = 666.
It can be written as a sum of positive squares in only one way, i.e., 135839025 + 2802276 = 11655^2 + 1674^2 .
It is not a de Polignac number, because 138641301 - 211 = 138639253 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (138641303) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 855730 + ... + 855891.
Almost surely, 2138641301 is an apocalyptic number.
It is an amenable number.
138641301 is a deficient number, since it is larger than the sum of its proper divisors (68464961).
138641301 is an equidigital number, since it uses as much as digits as its factorization.
138641301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1711633 (or 1711624 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 138641301 is about 11774.6040697766. The cubic root of 138641301 is about 517.5641760361.
The spelling of 138641301 in words is "one hundred thirty-eight million, six hundred forty-one thousand, three hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •