Base | Representation |
---|---|
bin | 1101101011111100101011… |
… | …1001111011001010011001 |
3 | 1222021122021000020021101101 |
4 | 3122333022321323022121 |
5 | 3433024141200320212 |
6 | 52001133215351401 |
7 | 3112142120504641 |
oct | 332771271731231 |
9 | 58248230207341 |
10 | 15048674620057 |
11 | 488211a561001 |
12 | 183064a822561 |
13 | 852112509400 |
14 | 3a0507199521 |
15 | 1b16b59a4157 |
hex | dafcae7b299 |
15048674620057 has 24 divisors (see below), whose sum is σ = 17363755762776. Its totient is φ = 12990687630336.
The previous prime is 15048674620051. The next prime is 15048674620069. The reversal of 15048674620057 is 75002647684051.
It can be written as a sum of positive squares in 12 ways, for example, as 3948689611161 + 11099985008896 = 1987131^2 + 3331664^2 .
It is a de Polignac number, because none of the positive numbers 2k-15048674620057 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (15048674620051) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16230358 + ... + 17132479.
It is an arithmetic number, because the mean of its divisors is an integer number (723489823449).
Almost surely, 215048674620057 is an apocalyptic number.
15048674620057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
It is an amenable number.
15048674620057 is a deficient number, since it is larger than the sum of its proper divisors (2315081142719).
15048674620057 is a wasteful number, since it uses less digits than its factorization.
15048674620057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33363037 (or 33363024 counting only the distinct ones).
The product of its (nonzero) digits is 11289600, while the sum is 55.
The spelling of 15048674620057 in words is "fifteen trillion, forty-eight billion, six hundred seventy-four million, six hundred twenty thousand, fifty-seven".
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