Base | Representation |
---|---|
bin | 10010110101111000… |
… | …00000101000001111 |
3 | 222002222022111102120 |
4 | 21122330000220033 |
5 | 131204044141442 |
6 | 4351432424023 |
7 | 505450211433 |
oct | 113274005017 |
9 | 28088274376 |
10 | 10115615247 |
11 | 4321001501 |
12 | 1b63848013 |
13 | c5293a66a |
14 | 6bd65a9c3 |
15 | 3e30e94ec |
hex | 25af00a0f |
10115615247 has 32 divisors (see below), whose sum is σ = 14518310400. Its totient is φ = 6242396160.
The previous prime is 10115615233. The next prime is 10115615249. The reversal of 10115615247 is 74251651101.
It is not a de Polignac number, because 10115615247 - 214 = 10115598863 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10115615249) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 748254 + ... + 761652.
It is an arithmetic number, because the mean of its divisors is an integer number (453697200).
Almost surely, 210115615247 is an apocalyptic number.
10115615247 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
10115615247 is a deficient number, since it is larger than the sum of its proper divisors (4402695153).
10115615247 is a wasteful number, since it uses less digits than its factorization.
10115615247 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13663.
The product of its (nonzero) digits is 8400, while the sum is 33.
It can be divided in two parts, 101156 and 15247, that added together give a triangular number (116403 = T482).
The spelling of 10115615247 in words is "ten billion, one hundred fifteen million, six hundred fifteen thousand, two hundred forty-seven".
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