Base | Representation |
---|---|
bin | 1110010010001000110… |
… | …1101101011001100011 |
3 | 212110101110020001102202 |
4 | 3210202031231121203 |
5 | 13010023102430133 |
6 | 304421310203415 |
7 | 23504631255122 |
oct | 3444215553143 |
9 | 773343201382 |
10 | 245387155043 |
11 | 95082719598 |
12 | 3b6837b356b |
13 | 1a1a84c5134 |
14 | bc3bd2dab9 |
15 | 65b2d8a2e8 |
hex | 392236d663 |
245387155043 has 4 divisors (see below), whose sum is σ = 256056161808. Its totient is φ = 234718148280.
The previous prime is 245387155031. The next prime is 245387155051. The reversal of 245387155043 is 340551783542.
245387155043 is digitally balanced in base 2, 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 is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-245387155043 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (245387125043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5334503348 + ... + 5334503393.
It is an arithmetic number, because the mean of its divisors is an integer number (64014040452).
Almost surely, 2245387155043 is an apocalyptic number.
245387155043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
245387155043 is a deficient number, since it is larger than the sum of its proper divisors (10669006765).
245387155043 is a wasteful number, since it uses less digits than its factorization.
245387155043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10669006764.
The product of its (nonzero) digits is 2016000, while the sum is 47.
The spelling of 245387155043 in words is "two hundred forty-five billion, three hundred eighty-seven million, one hundred fifty-five thousand, forty-three".
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