Base | Representation |
---|---|
bin | 1101101011110111100110… |
… | …0110011111100111010110 |
3 | 1222021111201221112110012121 |
4 | 3122331321212133213112 |
5 | 3433013343001300430 |
6 | 52000350011210154 |
7 | 3112063245340264 |
oct | 332757146374726 |
9 | 58244657473177 |
10 | 15047310571990 |
11 | 488158a598554 |
12 | 1830329a4695a |
13 | 851c55a37a88 |
14 | 3a0417d65434 |
15 | 1b1635d61a7a |
hex | daf7999f9d6 |
15047310571990 has 32 divisors (see below), whose sum is σ = 27363134594880. Its totient is φ = 5957194608000.
The previous prime is 15047310571963. The next prime is 15047310571991. The reversal of 15047310571990 is 9917501374051.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15047310571991) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149916 + ... + 5487904.
It is an arithmetic number, because the mean of its divisors is an integer number (855097956090).
Almost surely, 215047310571990 is an apocalyptic number.
15047310571990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15047310571990 is a deficient number, since it is larger than the sum of its proper divisors (12315824022890).
15047310571990 is a wasteful number, since it uses less digits than its factorization.
15047310571990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5340888.
The product of its (nonzero) digits is 1190700, while the sum is 52.
The spelling of 15047310571990 in words is "fifteen trillion, forty-seven billion, three hundred ten million, five hundred seventy-one thousand, nine hundred ninety".
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