Base | Representation |
---|---|
bin | 1000110101101001000… |
… | …0110001011111111001 |
3 | 112111220212100211202112 |
4 | 2031122100301133321 |
5 | 4441431034424344 |
6 | 153430431342105 |
7 | 13653456264215 |
oct | 2153220613771 |
9 | 474825324675 |
10 | 151838201849 |
11 | 59437785434 |
12 | 25516381935 |
13 | 1141a356769 |
14 | 74c596d945 |
15 | 3e3a181c9e |
hex | 235a4317f9 |
151838201849 has 8 divisors (see below), whose sum is σ = 154708875720. Its totient is φ = 148967742976.
The previous prime is 151838201819. The next prime is 151838201863. The reversal of 151838201849 is 948102838151.
It can be written as a sum of positive squares in 4 ways, for example, as 54618961849 + 97219240000 = 233707^2 + 311800^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 151838201849 - 216 = 151838136313 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 151838201797 and 151838201806.
It is not an unprimeable number, because it can be changed into a prime (151838201819) 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, 2573609 + ... + 2631945.
It is an arithmetic number, because the mean of its divisors is an integer number (19338609465).
Almost surely, 2151838201849 is an apocalyptic number.
It is an amenable number.
151838201849 is a deficient number, since it is larger than the sum of its proper divisors (2870673871).
151838201849 is an equidigital number, since it uses as much as digits as its factorization.
151838201849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107499.
The product of its (nonzero) digits is 552960, while the sum is 50.
The spelling of 151838201849 in words is "one hundred fifty-one billion, eight hundred thirty-eight million, two hundred one thousand, eight hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •