Base | Representation |
---|---|
bin | 1110010001100001000… |
… | …1101000101011110000 |
3 | 212102221211110122011211 |
4 | 3210120101220223300 |
5 | 13004202411142034 |
6 | 304352552245504 |
7 | 23500535053201 |
oct | 3443021505360 |
9 | 772854418154 |
10 | 245220412144 |
11 | 94aa7591144 |
12 | 3b6379a0894 |
13 | 1a17cab34b6 |
14 | bc23b275a8 |
15 | 65a33eed64 |
hex | 3918468af0 |
245220412144 has 20 divisors (see below), whose sum is σ = 481622969296. Its totient is φ = 120930613632.
The previous prime is 245220412141. The next prime is 245220412147. The reversal of 245220412144 is 441214022542.
It is an interprime number because it is at equal distance from previous prime (245220412141) and next prime (245220412147).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245220412141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104973324 + ... + 104975659.
Almost surely, 2245220412144 is an apocalyptic number.
It is an amenable number.
245220412144 is a deficient number, since it is larger than the sum of its proper divisors (236402557152).
245220412144 is a wasteful number, since it uses less digits than its factorization.
245220412144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209949064 (or 209949058 counting only the distinct ones).
The product of its (nonzero) digits is 20480, while the sum is 31.
Adding to 245220412144 its reverse (441214022542), we get a palindrome (686434434686).
The spelling of 245220412144 in words is "two hundred forty-five billion, two hundred twenty million, four hundred twelve thousand, one hundred forty-four".
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