Base | Representation |
---|---|
bin | 1110010011011110001… |
… | …1000011110011101101 |
3 | 212111022101201012002210 |
4 | 3210313203003303231 |
5 | 13011241214322024 |
6 | 304521013441033 |
7 | 23516535441624 |
oct | 3446743036355 |
9 | 774271635083 |
10 | 245745073389 |
11 | 95246761982 |
12 | 3b763640179 |
13 | 1a2346c153a |
14 | bc7369c6bb |
15 | 65d44da129 |
hex | 39378c3ced |
245745073389 has 8 divisors (see below), whose sum is σ = 344905366240. Its totient is φ = 155207414736.
The previous prime is 245745073373. The next prime is 245745073429. The reversal of 245745073389 is 983370547542.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 245745073389 - 24 = 245745073373 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 4311317077 = 245745073389 / (2 + 4 + 5 + 7 + 4 + 5 + 0 + 7 + 3 + 3 + 8 + 9).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245745073319) 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, 2155658482 + ... + 2155658595.
It is an arithmetic number, because the mean of its divisors is an integer number (43113170780).
Almost surely, 2245745073389 is an apocalyptic number.
It is an amenable number.
245745073389 is a deficient number, since it is larger than the sum of its proper divisors (99160292851).
245745073389 is a wasteful number, since it uses less digits than its factorization.
245745073389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4311317099.
The product of its (nonzero) digits is 25401600, while the sum is 57.
The spelling of 245745073389 in words is "two hundred forty-five billion, seven hundred forty-five million, seventy-three thousand, three hundred eighty-nine".
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