Base | Representation |
---|---|
bin | 110111000101110101… |
… | …0011111001111101101 |
3 | 102022101001000221020002 |
4 | 1232023222133033231 |
5 | 3414243131204140 |
6 | 130203303434045 |
7 | 11355523233062 |
oct | 1561352371755 |
9 | 368331027202 |
10 | 118307288045 |
11 | 461a041a621 |
12 | 1ab18a55925 |
13 | b2055c016b |
14 | 5a245dac69 |
15 | 3126591415 |
hex | 1b8ba9f3ed |
118307288045 has 4 divisors (see below), whose sum is σ = 141968745660. Its totient is φ = 94645830432.
The previous prime is 118307288009. The next prime is 118307288081. The reversal of 118307288045 is 540882703811.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (118307288009) and next prime (118307288081).
It can be written as a sum of positive squares in 2 ways, for example, as 84184701316 + 34122586729 = 290146^2 + 184723^2 .
It is a cyclic number.
It is not a de Polignac number, because 118307288045 - 26 = 118307287981 is a prime.
It is a super-2 number, since 2×1183072880452 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11830728800 + ... + 11830728809.
It is an arithmetic number, because the mean of its divisors is an integer number (35492186415).
Almost surely, 2118307288045 is an apocalyptic number.
It is an amenable number.
118307288045 is a deficient number, since it is larger than the sum of its proper divisors (23661457615).
118307288045 is an equidigital number, since it uses as much as digits as its factorization.
118307288045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23661457614.
The product of its (nonzero) digits is 430080, while the sum is 47.
The spelling of 118307288045 in words is "one hundred eighteen billion, three hundred seven million, two hundred eighty-eight thousand, forty-five".
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