Base | Representation |
---|---|
bin | 1110010001010001110… |
… | …1100110000101111011 |
3 | 212102210101002102200201 |
4 | 3210110131212011323 |
5 | 13004040022012040 |
6 | 304342345143031 |
7 | 23466130225621 |
oct | 3442435460573 |
9 | 772711072621 |
10 | 245156438395 |
11 | 94a74466780 |
12 | 3b61a48aa77 |
13 | 1a16c7748cb |
14 | bc19433511 |
15 | 659c9b4a9a |
hex | 391476617b |
245156438395 has 8 divisors (see below), whose sum is σ = 320932064880. Its totient is φ = 178295591520.
The previous prime is 245156438377. The next prime is 245156438431. The reversal of 245156438395 is 593834651542.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 245156438395 - 217 = 245156307323 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (55), and also a Moran number because the ratio is a prime number: 4457389789 = 245156438395 / (2 + 4 + 5 + 1 + 5 + 6 + 4 + 3 + 8 + 3 + 9 + 5).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2228694840 + ... + 2228694949.
It is an arithmetic number, because the mean of its divisors is an integer number (40116508110).
Almost surely, 2245156438395 is an apocalyptic number.
245156438395 is a deficient number, since it is larger than the sum of its proper divisors (75775626485).
245156438395 is a wasteful number, since it uses less digits than its factorization.
245156438395 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4457389805.
The product of its digits is 15552000, while the sum is 55.
The spelling of 245156438395 in words is "two hundred forty-five billion, one hundred fifty-six million, four hundred thirty-eight thousand, three hundred ninety-five".
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