Base | Representation |
---|---|
bin | 10001110111111… |
… | …00111101011001 |
3 | 101110010102122220 |
4 | 20323330331121 |
5 | 301340341123 |
6 | 22513334253 |
7 | 3500263053 |
oct | 1073747531 |
9 | 343112586 |
10 | 149933913 |
11 | 776a7628 |
12 | 42267389 |
13 | 250a7abc |
14 | 15cac8d3 |
15 | d269ce3 |
hex | 8efcf59 |
149933913 has 8 divisors (see below), whose sum is σ = 203189376. Its totient is φ = 98317200.
The previous prime is 149933881. The next prime is 149933923. The reversal of 149933913 is 319339941.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 149933913 - 25 = 149933881 is a prime.
It is not an unprimeable number, because it can be changed into a prime (149933923) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409473 + ... + 409838.
It is an arithmetic number, because the mean of its divisors is an integer number (25398672).
Almost surely, 2149933913 is an apocalyptic number.
It is an amenable number.
149933913 is a deficient number, since it is larger than the sum of its proper divisors (53255463).
149933913 is an equidigital number, since it uses as much as digits as its factorization.
149933913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 819375.
The product of its digits is 78732, while the sum is 42.
The square root of 149933913 is about 12244.7504262031. The cubic root of 149933913 is about 531.2512421101.
The spelling of 149933913 in words is "one hundred forty-nine million, nine hundred thirty-three thousand, nine hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •